 G90 |
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Disorders of autonomic nervous system  |
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| Excludes1 |
dysfunction of the autonomic nervous system due to alcohol (G31.2)
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| G90.0 |
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Idiopathic peripheral autonomic neuropathy |
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 G90.01 |
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Carotid sinus syncope |
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| | |
| G90.09 |
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Other idiopathic peripheral autonomic neuropathy |
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| Idiopathic peripheral autonomic neuropathy NOS |
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| G90.1 |
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Familial dysautonomia [Riley-Day] |
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| G90.2 |
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Horner's syndrome |
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| Bernard(-Horner) syndrome | | Cervical sympathetic dystrophy or paralysis |
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| G90.3 |
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Multi-system degeneration of the autonomic nervous system |
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| Neurogenic orthostatic hypotension [Shy-Drager] |
| Excludes1 |
orthostatic hypotension NOS (I95.1)
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| G90.4 |
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Autonomic dysreflexia |
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| UseAdditionalCode |
code to identify the cause, such as:
fecal impaction (K56.41)
pressure ulcer (pressure area) (L89.-)
urinary tract infection (N39.0)
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|
|
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| G90.5 |
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Complex regional pain syndrome I (CRPS I) |
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| Reflex sympathetic dystrophy |
| Excludes1 |
causalgia of lower limb (G57.7-)
causalgia of upper limb (G56.4-)
complex regional pain syndrome II of lower limb (G57.7-)
complex regional pain syndrome II of upper limb (G56.4-)
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|
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| G90.50 |
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Complex regional pain syndrome I, unspecified |
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| G90.51 |
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Complex regional pain syndrome I of upper limb |
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| G90.511 |
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Complex regional pain syndrome I of right upper limb |
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| G90.512 |
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Complex regional pain syndrome I of left upper limb |
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| G90.513 |
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Complex regional pain syndrome I of upper limb, bilateral |
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| G90.519 |
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Complex regional pain syndrome I of unspecified upper limb |
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| G90.52 |
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Complex regional pain syndrome I of lower limb |
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| G90.521 |
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Complex regional pain syndrome I of right lower limb |
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| G90.522 |
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Complex regional pain syndrome I of left lower limb |
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| G90.523 |
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Complex regional pain syndrome I of lower limb, bilateral |
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| G90.529 |
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Complex regional pain syndrome I of unspecified lower limb |
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| G90.59 |
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Complex regional pain syndrome I of other specified site |
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| G90.8 |
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Other disorders of autonomic nervous system |
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| G90.81 |
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Serotonin syndrome |
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| Serotonin toxicity |
| CodeFirst |
poisoning due to drug or toxin, such as:
linezolid (T36.8X- with sixth character 1-4)
monoamine oxidase inhibitors (T43.1X with sixth character 1-4)
selective serotonin and norepinephrine reuptake inhibitors [SSNRI] (T43.21 with sixth character 1-4)
selective serotonin reuptake inhibitors [SSRI] (T43.22 with sixth character 1-4)
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| UseAdditionalCode |
code for adverse effect, if applicable, to identify drug, such as:
linezolid (T36.8X5)
monoamine oxidase inhibitors (T43.1X5)
selective serotonin and norepinephrine reuptake inhibitors [SSNRI] (T43.215)
selective serotonin reuptake inhibitors [SSRI] (T43.225)
|
| UseAdditionalCode |
code, if applicable, to identify:
disseminated intravascular coagulation (D65)
hypertensive crisis (I16.-)
metabolic acidosis (E87.2-)
shock, not elsewhere classified (R57.-)
toxic encephalopathy (G92.-)
ventricular tachycardia (I47.2-)
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| G90.89 |
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Other disorders of autonomic nervous system |
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| G90.9 |
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Disorder of the autonomic nervous system, unspecified |
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| G90.A |
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Postural orthostatic tachycardia syndrome [POTS] |
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| Chronic orthostatic intolerance | | Postural tachycardia syndrome |
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| G90.B |
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LMNB1-related autosomal dominant leukodystrophy |
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