ICD-10 Code for Encephalopathy

Main code

G93.40 – Encephalopathy, unspecified

Billable

Yes

Index entries for Encephalopathy

• 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 [manifestation]
  • influenza – see Influenza, with, encephalopathy
  • lack of vitamin – E56.9 – G32.89 [manifestation] – see also Deficiency, vitamin
  • neoplastic disease (see also Neoplasm) – D49.9 – G13.1 [manifestation]
  • serum – T80.69 (header) – 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 [manifestation]
• portal-systemic – K76.82
• postcontusional – F07.81
  • current injury – see Injury, intracranial, diffuse
• posthypoglycemic (coma) – E16.1 – G94 [manifestation]
• 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 [manifestation]
  • vitamin B1 – E51.2
• Wernicke's – E51.2