K76.82

Hepatic encephalopathy

FY2027Chapter 11: Diseases of the digestive system/K70–K77 Diseases of liver

BillableComplete code, valid to report

K76.82 (also written K7682) is a billable ICD-10-CM diagnosis code for hepatic encephalopathy. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 13 codes in category K76 (Other diseases of liver). The Alphabetic Index lists it under 3 entries. Its coding notes include a Code also instruction, 5 Excludes1 entries and 20 Excludes2 entries.

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

This code
  • underlying liver disease, such as:
    • acute and subacute hepatic failure without coma (K72.00)
    • alcoholic hepatic failure without coma (K70.40)
    • chronic hepatic failure without coma (K72.10)
    • hepatic failure with toxic liver disease without coma (K71.10)
    • hepatic failure without coma (K72.90)
    • icterus of newborn (P55-P59)
    • postprocedural hepatic failure (K91.82)
    • viral hepatitis without hepatic coma (B15.9, B16.1, B16.9, B17.10, B19.10, B19.20, B19.9)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • acute and subacute hepatic failure with coma (K72.01)
  • alcoholic hepatic failure with coma (K70.41)
  • chronic hepatic failure with coma (K72.11)
  • hepatic failure with coma (K72.91)
Also from chapter/block level (1 note)
Inherited from K70–K77 Diseases of liver
  • jaundice NOS (R17)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from K76 Other diseases of liver
  • alcoholic liver disease (K70.-)
  • amyloid degeneration of liver (E85.-)
  • cystic disease of liver (congenital) (Q44.6)
  • hepatic vein thrombosis (I82.0)
  • hepatomegaly NOS (R16.0)
  • pigmentary cirrhosis (of liver) (E83.110)
  • portal vein thrombosis (I81)
  • toxic liver disease (K71.-)
Also from chapter/block level (12 notes)
Inherited from K70–K77 Diseases of liver
Inherited from Chapter 11 Diseases of the digestive system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the Neuro Rehabilitation clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Inclusion terms

Conditions classified to this code.

This code
  • Hepatic encephalopathy, NOS
  • Hepatic encephalopathy without coma
  • Hepatocerebral intoxication
  • Portal-systemic encephalopathy

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 3 entries