ICD-10 K76.82
Billable / Specific HCC v28: 27Hepatic encephalopathy
About ICD-10-CM K76.82
ICD-10-CM code K76.82 represents Hepatic encephalopathy. This is a billable/specific code in the Digestive System chapter (block K76). The 2026 edition of ICD-10-CM K76.82 became effective on October 1, 2025.
Coding Tips for K76.82
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
K76.82 is a CMS-HCC v28 risk-adjustment code (category 27). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K76.82. Per CMS ICD-10-CM Tabular 2026.
- Hepatic encephalopathy, NOS
- Hepatic encephalopathy without coma
- Hepatocerebral intoxication
- Portal-systemic encephalopathy
Type 1 Excludes
Pure excludes, these codes can never be coded together with K76.82. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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)
Coding Notes
Code Also
- 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)
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for K76.82
Local Coverage Determinations (LCDs) from CMS MACs that list K76.82 as a covered diagnosis.
Showing top 10 of 91 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K76.82.
5 Medicare
CPT Codes Commonly Billed with K76.82
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To K76.82
Other codes in section K70-K77 (Diseases of liver).
ICD-10 K76.82, Billing FAQ
Is ICD-10 code K76.82 billable? +
Yes, K76.82 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to K76.82? +
ICD-10 K76.82 includes: Hepatic encephalopathy, NOS; Hepatic encephalopathy without coma; Hepatocerebral intoxication, and 1 more clinical synonyms.
What codes are Type 1 Excludes for K76.82? +
Type 1 Excludes (never code together with K76.82): acute and subacute hepatic failure with coma (K72.01); alcoholic hepatic failure with coma (K70.41); chronic hepatic failure with coma (K72.11)
Does K76.82 affect Medicare Advantage HCC risk adjustment? +
Yes. K76.82 maps to CMS-HCC v28 category 27. Capture this diagnosis annually for accurate Medicare Advantage risk score.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 18, 2026.
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