ICD-10-CM Book 2025 Edition

Chapters  /  Chapter 21  /  Z40-Z53

Encounters for other specific health care (Z40-Z53)

Excludes2: follow-up examination for medical surveillance after treatment (Z08-Z09)
Z40 Encounter for prophylactic surgery
Excludes1 organ donations (Z52.-)
therapeutic organ removal-code to condition
Z40.0 Encounter for prophylactic surgery for risk factors related to malignant neoplasms
Admission for prophylactic organ removal
UseAdditionalCode code to identify risk factor
Z40.00 Encounter for prophylactic removal of unspecified organ
Z40.01 Encounter for prophylactic removal of breast
Z40.02 Encounter for prophylactic removal of ovary(s)
Encounter for prophylactic removal of ovary(s) and fallopian tube(s)
sex Female
Z40.03 Encounter for prophylactic removal of fallopian tube(s)
sex Female
Z40.09 Encounter for prophylactic removal of other organ
Z40.8 Encounter for other prophylactic surgery
nonPrimary Yes
Z40.9 Encounter for prophylactic surgery, unspecified
nonPrimary Yes
Z41 Encounter for procedures for purposes other than remedying health state
Z41.1 Encounter for cosmetic surgery
Encounter for cosmetic breast implant
Encounter for cosmetic procedure
Excludes1 encounter for plastic and reconstructive surgery following medical procedure or healed injury (Z42.-)
encounter for post-mastectomy breast implantation (Z42.1)
Z41.2 Encounter for routine and ritual male circumcision
sex Male
Z41.3 Encounter for ear piercing
nonPrimary Yes
Z41.8 Encounter for other procedures for purposes other than remedying health state
Z41.9 Encounter for procedure for purposes other than remedying health state, unspecified
nonPrimary Yes
Z42 Encounter for plastic and reconstructive surgery following medical procedure or healed injury
Excludes1 encounter for cosmetic plastic surgery (Z41.1)
encounter for plastic surgery for treatment of current injury - code to relevent injury
Z42.1 Encounter for breast reconstruction following mastectomy
Excludes1 deformity and disproportion of reconstructed breast (N65.1-)
age Adult: [15-124]
Z42.8 Encounter for other plastic and reconstructive surgery following medical procedure or healed injury
Z43 Encounter for attention to artificial openings
Includes closure of artificial openings
passage of sounds or bougies through artificial openings
reforming artificial openings
removal of catheter from artificial openings
toilet or cleansing of artificial openings
Excludes1 complications of external stoma (J95.0-, K94.-, N99.5-)
Excludes2 fitting and adjustment of prosthetic and other devices (Z44-Z46)
Z43.0 Encounter for attention to tracheostomy
Z43.1 Encounter for attention to gastrostomy
Excludes2 artificial opening status only, without need for care (Z93.-)
Z43.2 Encounter for attention to ileostomy
Z43.3 Encounter for attention to colostomy
Z43.4 Encounter for attention to other artificial openings of digestive tract
Z43.5 Encounter for attention to cystostomy
Z43.6 Encounter for attention to other artificial openings of urinary tract
Encounter for attention to nephrostomy
Encounter for attention to ureterostomy
Encounter for attention to urethrostomy
Z43.7 Encounter for attention to artificial vagina
Z43.8 Encounter for attention to other artificial openings
Z43.9 Encounter for attention to unspecified artificial opening
nonPrimary Yes
Z44 Encounter for fitting and adjustment of external prosthetic device
Includes removal or replacement of external prosthetic device
Excludes1 malfunction or other complications of device - see Alphabetical Index
presence of prosthetic device (Z97.-)
Z44.0 Encounter for fitting and adjustment of artificial arm
Z44.00 Encounter for fitting and adjustment of unspecified artificial arm
Z44.001 Encounter for fitting and adjustment of unspecified right artificial arm
Z44.002 Encounter for fitting and adjustment of unspecified left artificial arm
Z44.009 Encounter for fitting and adjustment of unspecified artificial arm, unspecified arm
Z44.01 Encounter for fitting and adjustment of complete artificial arm
Z44.011 Encounter for fitting and adjustment of complete right artificial arm
Z44.012 Encounter for fitting and adjustment of complete left artificial arm
Z44.019 Encounter for fitting and adjustment of complete artificial arm, unspecified arm
Z44.02 Encounter for fitting and adjustment of partial artificial arm
Z44.021 Encounter for fitting and adjustment of partial artificial right arm
Z44.022 Encounter for fitting and adjustment of partial artificial left arm
Z44.029 Encounter for fitting and adjustment of partial artificial arm, unspecified arm
Z44.1 Encounter for fitting and adjustment of artificial leg
Z44.10 Encounter for fitting and adjustment of unspecified artificial leg
Z44.101 Encounter for fitting and adjustment of unspecified right artificial leg
Z44.102 Encounter for fitting and adjustment of unspecified left artificial leg
Z44.109 Encounter for fitting and adjustment of unspecified artificial leg, unspecified leg
Z44.11 Encounter for fitting and adjustment of complete artificial leg
Z44.111 Encounter for fitting and adjustment of complete right artificial leg
Z44.112 Encounter for fitting and adjustment of complete left artificial leg
Z44.119 Encounter for fitting and adjustment of complete artificial leg, unspecified leg
Z44.12 Encounter for fitting and adjustment of partial artificial leg
Z44.121 Encounter for fitting and adjustment of partial artificial right leg
Z44.122 Encounter for fitting and adjustment of partial artificial left leg
Z44.129 Encounter for fitting and adjustment of partial artificial leg, unspecified leg
Z44.2 Encounter for fitting and adjustment of artificial eye
Excludes1 mechanical complication of ocular prosthesis (T85.3)
Z44.20 Encounter for fitting and adjustment of artificial eye, unspecified
Z44.21 Encounter for fitting and adjustment of artificial right eye
Z44.22 Encounter for fitting and adjustment of artificial left eye
Z44.3 Encounter for fitting and adjustment of external breast prosthesis
Excludes1 complications of breast implant (T85.4-)
encounter for adjustment or removal of breast implant (Z45.81-)
encounter for initial breast implant insertion for cosmetic breast augmentation (Z41.1)
encounter for breast reconstruction following mastectomy (Z42.1)
Z44.30 Encounter for fitting and adjustment of external breast prosthesis, unspecified breast
Z44.31 Encounter for fitting and adjustment of external right breast prosthesis
Z44.32 Encounter for fitting and adjustment of external left breast prosthesis
Z44.8 Encounter for fitting and adjustment of other external prosthetic devices
Z44.9 Encounter for fitting and adjustment of unspecified external prosthetic device
nonPrimary Yes
Z45 Encounter for adjustment and management of implanted device
Includes removal or replacement of implanted device
Excludes1 malfunction or other complications of device - see Alphabetical Index
Excludes2 encounter for fitting and adjustment of non-implanted device (Z46.-)
Z45.0 Encounter for adjustment and management of cardiac device
Z45.01 Encounter for adjustment and management of cardiac pacemaker
Encounter for adjustment and management of cardiac resynchronization therapy pacemaker (CRT-P)
Excludes1 encounter for adjustment and management of automatic implantable cardiac defibrillator with synchronous cardiac pacemaker (Z45.02)
Z45.010 Encounter for checking and testing of cardiac pacemaker pulse generator [battery]
Encounter for replacing cardiac pacemaker pulse generator [battery]
invalidAdmission Yes
Z45.018 Encounter for adjustment and management of other part of cardiac pacemaker
Excludes1 presence of other part of cardiac pacemaker (Z95.0)
Excludes2 presence of prosthetic and other devices (Z95.1-Z95.5, Z95.811-Z97)
invalidAdmission Yes
Z45.02 Encounter for adjustment and management of automatic implantable cardiac defibrillator
Encounter for adjustment and management of automatic implantable cardiac defibrillator with synchronous cardiac pacemaker
Encounter for adjustment and management of cardiac resynchronization therapy defibrillator (CRT-D)
invalidAdmission Yes
Z45.09 Encounter for adjustment and management of other cardiac device
invalidAdmission Yes
Z45.1 Encounter for adjustment and management of infusion pump
Z45.2 Encounter for adjustment and management of vascular access device
Encounter for adjustment and management of vascular catheters
Excludes1 encounter for adjustment and management of renal dialysis catheter (Z49.01)
Z45.3 Encounter for adjustment and management of implanted devices of the special senses
Z45.31 Encounter for adjustment and management of implanted visual substitution device
Z45.32 Encounter for adjustment and management of implanted hearing device
Excludes1 Encounter for fitting and adjustment of hearing aid (Z46.1)
Z45.320 Encounter for adjustment and management of bone conduction device
Z45.321 Encounter for adjustment and management of cochlear device
Z45.328 Encounter for adjustment and management of other implanted hearing device
Z45.4 Encounter for adjustment and management of implanted nervous system device
Z45.41 Encounter for adjustment and management of cerebrospinal fluid drainage device
Encounter for adjustment and management of cerebral ventricular (communicating) shunt
Z45.42 Encounter for adjustment and management of neurostimulator
Encounter for adjustment and management of brain neurostimulator
Encounter for adjustment and management of gastric neurostimulator
Encounter for adjustment and management of peripheral nerve neurostimulator
Encounter for adjustment and management of sacral nerve neurostimulator
Encounter for adjustment and management of spinal cord neurostimulator
Encounter for adjustment and management of vagus nerve neurostimulator
Z45.49 Encounter for adjustment and management of other implanted nervous system device
Z45.8 Encounter for adjustment and management of other implanted devices
Z45.81 Encounter for adjustment or removal of breast implant
Encounter for elective implant exchange (different material) (different size)
Encounter for removal of tissue expander with or without synchronous insertion of permanent implant
Excludes1 complications of breast implant (T85.4-)
encounter for initial breast implant insertion for cosmetic breast augmentation (Z41.1)
encounter for breast reconstruction following mastectomy (Z42.1)
Z45.811 Encounter for adjustment or removal of right breast implant
Z45.812 Encounter for adjustment or removal of left breast implant
Z45.819 Encounter for adjustment or removal of unspecified breast implant
Z45.82 Encounter for adjustment or removal of myringotomy device (stent) (tube)
nonPrimary Yes
Z45.89 Encounter for adjustment and management of other implanted devices
nonPrimary Yes
Z45.9 Encounter for adjustment and management of unspecified implanted device
nonPrimary Yes
Z46 Encounter for fitting and adjustment of other devices
Includes removal or replacement of other device
Excludes1 malfunction or other complications of device - see Alphabetical Index
Excludes2 encounter for fitting and management of implanted devices (Z45.-)
issue of repeat prescription only (Z76.0)
presence of prosthetic and other devices (Z95-Z97)
Z46.0 Encounter for fitting and adjustment of spectacles and contact lenses
nonPrimary Yes
Z46.1 Encounter for fitting and adjustment of hearing aid
Excludes1 encounter for adjustment and management of implanted hearing device (Z45.32-)
nonPrimary Yes
Z46.2 Encounter for fitting and adjustment of other devices related to nervous system and special senses
Excludes2 encounter for adjustment and management of implanted nervous system device (Z45.4-)
encounter for adjustment and management of implanted visual substitution device (Z45.31)
Z46.3 Encounter for fitting and adjustment of dental prosthetic device
Encounter for fitting and adjustment of dentures
Z46.4 Encounter for fitting and adjustment of orthodontic device
nonPrimary Yes
Z46.5 Encounter for fitting and adjustment of other gastrointestinal appliance and device
Excludes1 encounter for attention to artificial openings of digestive tract (Z43.1-Z43.4)
Z46.51 Encounter for fitting and adjustment of gastric lap band
nonPrimary Yes
Z46.59 Encounter for fitting and adjustment of other gastrointestinal appliance and device
nonPrimary Yes
Z46.6 Encounter for fitting and adjustment of urinary device
Excludes2 attention to artificial openings of urinary tract (Z43.5, Z43.6)
nonPrimary Yes
Z46.8 Encounter for fitting and adjustment of other specified devices
Z46.81 Encounter for fitting and adjustment of insulin pump
Encounter for insulin pump instruction and training
Encounter for insulin pump titration
nonPrimary Yes
Z46.82 Encounter for fitting and adjustment of non-vascular catheter
Z46.89 Encounter for fitting and adjustment of other specified devices
Encounter for fitting and adjustment of wheelchair
nonPrimary Yes
Z46.9 Encounter for fitting and adjustment of unspecified device
nonPrimary Yes
Z47 Orthopedic aftercare
Excludes1 aftercare for healing fracture-code to fracture with 7th character D
Z47.1 Aftercare following joint replacement surgery
UseAdditionalCode code to identify the joint (Z96.6-)
Z47.2 Encounter for removal of internal fixation device
Excludes1 encounter for adjustment of internal fixation device for fracture treatment- code to fracture with appropriate 7th character
encounter for removal of external fixation device- code to fracture with 7th character D
infection or inflammatory reaction to internal fixation device (T84.6-)
mechanical complication of internal fixation device (T84.1-)
Z47.3 Aftercare following explantation of joint prosthesis
Aftercare following explantation of joint prosthesis, staged procedure
Encounter for joint prosthesis insertion following prior explantation of joint prosthesis
Z47.31 Aftercare following explantation of shoulder joint prosthesis
Excludes1 acquired absence of shoulder joint following prior explantation of shoulder joint prosthesis (Z89.23-)
shoulder joint prosthesis explantation status (Z89.23-)
Z47.32 Aftercare following explantation of hip joint prosthesis
Excludes1 acquired absence of hip joint following prior explantation of hip joint prosthesis (Z89.62-)
hip joint prosthesis explantation status (Z89.62-)
Z47.33 Aftercare following explantation of knee joint prosthesis
Excludes1 acquired absence of knee joint following prior explantation of knee prosthesis (Z89.52-
knee joint prosthesis explantation status (Z89.52-)
Z47.8 Encounter for other orthopedic aftercare
Z47.81 Encounter for orthopedic aftercare following surgical amputation
UseAdditionalCode code to identify the limb amputated (Z89.-)
Z47.82 Encounter for orthopedic aftercare following scoliosis surgery
Z47.89 Encounter for other orthopedic aftercare
Z48 Encounter for other postprocedural aftercare
Excludes1 encounter for follow-up examination after completed treatment (Z08-Z09)
encounter for aftercare following injury - code to Injury, by site, with appropriate 7th character for subsequent encounter
Excludes2 encounter for attention to artificial openings (Z43.-)
encounter for fitting and adjustment of prosthetic and other devices (Z44-Z46)
Z48.0 Encounter for attention to dressings, sutures and drains
Excludes1 encounter for planned postprocedural wound closure (Z48.1)
Z48.00 Encounter for change or removal of nonsurgical wound dressing
Encounter for change or removal of wound dressing NOS
nonPrimary Yes
Z48.01 Encounter for change or removal of surgical wound dressing
nonPrimary Yes
Z48.02 Encounter for removal of sutures
Encounter for removal of staples
nonPrimary Yes
Z48.03 Encounter for change or removal of drains
Z48.1 Encounter for planned postprocedural wound closure
Excludes1 encounter for attention to dressings and sutures (Z48.0-)
Z48.2 Encounter for aftercare following organ transplant
Z48.21 Encounter for aftercare following heart transplant
Z48.22 Encounter for aftercare following kidney transplant
Z48.23 Encounter for aftercare following liver transplant
Z48.24 Encounter for aftercare following lung transplant
Z48.28 Encounter for aftercare following multiple organ transplant
Z48.280 Encounter for aftercare following heart-lung transplant
Z48.288 Encounter for aftercare following multiple organ transplant
Z48.29 Encounter for aftercare following other organ transplant
Z48.290 Encounter for aftercare following bone marrow transplant
Z48.298 Encounter for aftercare following other organ transplant
Z48.3 Aftercare following surgery for neoplasm
UseAdditionalCode code to identify the neoplasm
Z48.8 Encounter for other specified postprocedural aftercare
Z48.81 Encounter for surgical aftercare following surgery on specified body systems
These codes identify the body system requiring aftercare. They are for use in conjunction with other aftercare codes to fully explain the aftercare encounter. The condition treated should also be coded if still present.
Excludes1 aftercare for injury- code the injury with 7th character D
aftercare following surgery for neoplasm (Z48.3)
Excludes2 aftercare following organ transplant (Z48.2-)
orthopedic aftercare (Z47.-)
Z48.810 Encounter for surgical aftercare following surgery on the sense organs
Z48.811 Encounter for surgical aftercare following surgery on the nervous system
Excludes2 encounter for surgical aftercare following surgery on the sense organs (Z48.810)
Z48.812 Encounter for surgical aftercare following surgery on the circulatory system
Z48.813 Encounter for surgical aftercare following surgery on the respiratory system
Z48.814 Encounter for surgical aftercare following surgery on the teeth or oral cavity
Z48.815 Encounter for surgical aftercare following surgery on the digestive system
Z48.816 Encounter for surgical aftercare following surgery on the genitourinary system
Excludes1 encounter for aftercare following sterilization reversal (Z31.42)
Z48.817 Encounter for surgical aftercare following surgery on the skin and subcutaneous tissue
Z48.89 Encounter for other specified surgical aftercare
Z49 Encounter for care involving renal dialysis
CodeAlso associated end stage renal disease (N18.6)
Z49.0 Preparatory care for renal dialysis
Encounter for dialysis instruction and training
Z49.01 Encounter for fitting and adjustment of extracorporeal dialysis catheter
Removal or replacement of renal dialysis catheter
Toilet or cleansing of renal dialysis catheter
nonPrimary Yes
Z49.02 Encounter for fitting and adjustment of peritoneal dialysis catheter
nonPrimary Yes
Z49.3 Encounter for adequacy testing for dialysis
Z49.31 Encounter for adequacy testing for hemodialysis
nonPrimary Yes
Z49.32 Encounter for adequacy testing for peritoneal dialysis
Encounter for peritoneal equilibration test
nonPrimary Yes
Z51 Encounter for other aftercare and medical care
CodeAlso condition requiring care
Excludes1 follow-up examination after treatment (Z08-Z09)
Z51.0 Encounter for antineoplastic radiation therapy
Z51.1 Encounter for antineoplastic chemotherapy and immunotherapy
Excludes2 encounter for chemotherapy and immunotherapy for nonneoplastic condition - code to condition
Z51.11 Encounter for antineoplastic chemotherapy
Z51.12 Encounter for antineoplastic immunotherapy
Z51.5 Encounter for palliative care
Z51.6 Encounter for desensitization to allergens
nonPrimary Yes
Z51.8 Encounter for other specified aftercare
Excludes1 holiday relief care (Z75.5)
Z51.81 Encounter for therapeutic drug level monitoring
CodeAlso any long-term (current) drug therapy (Z79.-)
Excludes1 encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)
Z51.89 Encounter for other specified aftercare
Z51.A Encounter for sepsis aftercare
Z52 Donors of organs and tissues
Includes autologous and other living donors
Excludes1 cadaveric donor - omit code
examination of potential donor (Z00.5)
Z52.0 Blood donor
Z52.00 Unspecified blood donor
Z52.000 Unspecified donor, whole blood
nonPrimary Yes
Z52.001 Unspecified donor, stem cells
nonPrimary Yes
Z52.008 Unspecified donor, other blood
nonPrimary Yes
Z52.01 Autologous blood donor
Z52.010 Autologous donor, whole blood
nonPrimary Yes
Z52.011 Autologous donor, stem cells
nonPrimary Yes
Z52.018 Autologous donor, other blood
nonPrimary Yes
Z52.09 Other blood donor
Volunteer donor
Z52.090 Other blood donor, whole blood
nonPrimary Yes
Z52.091 Other blood donor, stem cells
nonPrimary Yes
Z52.098 Other blood donor, other blood
nonPrimary Yes
Z52.1 Skin donor
Z52.10 Skin donor, unspecified
Z52.11 Skin donor, autologous
Z52.19 Skin donor, other
Z52.2 Bone donor
Z52.20 Bone donor, unspecified
Z52.21 Bone donor, autologous
Z52.29 Bone donor, other
Z52.3 Bone marrow donor
Z52.4 Kidney donor
Z52.5 Cornea donor
Z52.6 Liver donor
Z52.8 Donor of other specified organs or tissues
Z52.81 Egg (Oocyte) donor
Z52.810 Egg (Oocyte) donor under age 35, anonymous recipient
Egg donor under age 35 NOS
sex Female
nonPrimary Yes
Z52.811 Egg (Oocyte) donor under age 35, designated recipient
sex Female
nonPrimary Yes
Z52.812 Egg (Oocyte) donor age 35 and over, anonymous recipient
Egg donor age 35 and over NOS
sex Female
nonPrimary Yes
Z52.813 Egg (Oocyte) donor age 35 and over, designated recipient
sex Female
nonPrimary Yes
Z52.819 Egg (Oocyte) donor, unspecified
sex Female
nonPrimary Yes
Z52.89 Donor of other specified organs or tissues
Z52.9 Donor of unspecified organ or tissue
Donor NOS
Z53 Persons encountering health services for specific procedures and treatment, not carried out
Z53.0 Procedure and treatment not carried out because of contraindication
Z53.01 Procedure and treatment not carried out due to patient smoking
nonPrimary Yes
Z53.09 Procedure and treatment not carried out because of other contraindication
nonPrimary Yes
Z53.1 Procedure and treatment not carried out because of patient's decision for reasons of belief and group pressure
nonPrimary Yes
Z53.2 Procedure and treatment not carried out because of patient's decision for other and unspecified reasons
Z53.20 Procedure and treatment not carried out because of patient's decision for unspecified reasons
nonPrimary Yes
Z53.21 Procedure and treatment not carried out due to patient leaving prior to being seen by health care provider
nonPrimary Yes
Z53.29 Procedure and treatment not carried out because of patient's decision for other reasons
nonPrimary Yes
Z53.3 Procedure converted to open procedure
Z53.31 Laparoscopic surgical procedure converted to open procedure
nonPrimary Yes
Z53.32 Thoracoscopic surgical procedure converted to open procedure
nonPrimary Yes
Z53.33 Arthroscopic surgical procedure converted to open procedure
nonPrimary Yes
Z53.39 Other specified procedure converted to open procedure
nonPrimary Yes
Z53.8 Procedure and treatment not carried out for other reasons
nonPrimary Yes
Z53.9 Procedure and treatment not carried out, unspecified reason
nonPrimary Yes