Index to Diseases and Injuries
Encephalopathy (acute)
Index code:G93.40
- acute necrotizing hemorrhagic G04.30
- postimmunization G04.32
- postinfectious G04.31
- specified NEC G04.39
- alcoholic G31.2
- anoxic — see Damage, brain, anoxic
- arteriosclerotic I67.2
- centrolobar progressive (Schilder) G37.0
- congenital Q07.9
- degenerative, in specified disease NEC G32.89
- demyelinating callosal G37.1
- developmental and epileptic G93.45
- due to
- drugs G92.8 — see also Table of Drugs and Chemicals
- early infantile epileptic G93.45
- FOXG1-related QA0.0151
- hepatic (without coma) K76.82
- hyperbilirubinemic, newborn P57.9
- due to isoimmunization (conditions in P55) P57.0
- hypertensive I67.4
- hypoglycemic E16.2
- hypoxic — see Damage, brain, anoxic
- hypoxic ischemic P91.60
- mild P91.61
- moderate P91.62
- severe P91.63
- in (due to) (with)
- birth injury P11.1
- hyperinsulinism E16.1 [G94]
- influenza — see Influenza, with, encephalopathy
- lack of vitamin E56.9 [G32.89] — see also Deficiency, vitamin
- neoplastic disease (see also Neoplasm) D49.9 [G13.1]
- serum T80.69 — see also Reaction, serum
- syphilis A52.17
- trauma (postconcussional) F07.81
- current injury — see Injury, intracranial
- vaccination G04.02
- lead — see Poisoning, lead
- metabolic G93.41
- drug induced G92.8
- toxic G92.8
- myoclonic, early, symptomatic — see Epilepsy, generalized, specified NEC
- necrotizing, subacute (Leigh) G31.82
- neonatal P91.819
- in diseases classified elsewhere P91.811
- pellagrous E52 [G32.89]
- portal-systemic K76.82
- postcontusional F07.81
- current injury — see Injury, intracranial, diffuse
- posthypoglycemic (coma) E16.1 [G94]
- postradiation G93.89
- saturnine — see Poisoning, lead
- septic G93.41
- specified NEC G93.49
- spongiform, subacute (viral) A81.09
- toxic G92.9
- metabolic G92.8
- traumatic (postconcussional) F07.81
- current injury — see Injury, intracranial
- vitamin B deficiency NEC E53.9 [G32.89]
- vitamin B1 E51.2
- Wernicke's E51.2
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Encephalopathy?
The ICD-10-CM Alphabetic Index directs "Encephalopathy" to G93.40. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.