K82: Other diseases of gallbladder

Codes under K82 (Other diseases of gallbladder). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
K82.0	Obstruction of gallbladder	✓
K82.1	Hydrops of gallbladder	✓
K82.2	Perforation of gallbladder	✓
K82.3	Fistula of gallbladder	✓
K82.4	Cholesterolosis of gallbladder	✓
K82.8	Other specified diseases of gallbladder	✓
K82.9	Disease of gallbladder, unspecified	✓
K82.A	Disorders of gallbladder in diseases classified elsewhere	—
K82.A1	Gangrene of gallbladder in cholecystitis	✓
K82.A2	Perforation of gallbladder in cholecystitis	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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