G31.81

Alpers disease

Billable / specificHCC V28 127

G31.81 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Grey-matter degeneration

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from G31)
  • certain infectious and parasitic diseases (A00-B99) (from G31)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G31)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G31)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from G31)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from G31)
  • neoplasms (C00-D49) (from G31)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G31)
  • Reye's syndrome (G93.7) (from G31)

Use additional code

Add a code to identify the following, if applicable.

Also known as

  • Grey-matter degeneration
  • Alpers' disease
  • Degeneration, degenerative, grey matter

Parent code

  • G31.8Other specified degenerative diseases of nervous systemHeader

Related codes

  • G31.80Leukodystrophy, unspecifiedBillable
  • G31.82Leigh's diseaseBillable
  • G31.83Neurocognitive disorder with Lewy bodiesBillable
  • G31.84Mild cognitive impairment of uncertain or unknown etiologyBillable
  • G31.85Corticobasal degenerationBillable
  • G31.86Alexander diseaseBillable
  • G31.87Primary progressive apraxia of speechBillable
  • G31.89Other specified degenerative diseases of nervous systemBillable

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