K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• cytomegaloviral pancreatitis (B25.2)
• mumps pancreatitis (B26.3)
• syphilitic gallbladder (A52.74)
• syphilitic pancreas (A52.74)
• tuberculosis of gallbladder (A18.83)
• tuberculosis of pancreas (A18.83)

Code first

• underlying disease

Applies from K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

Excludes1 (never code together)

• cytomegaloviral pancreatitis (B25.2)
• mumps pancreatitis (B26.3)
• syphilitic gallbladder (A52.74)
• syphilitic pancreas (A52.74)
• tuberculosis of gallbladder (A18.83)
• tuberculosis of pancreas (A18.83)

Code first

• underlying disease

Risk adjustment (HCC)

• RxHCC V08: HCC 66 — Pancreatic Disorders and Intestinal Malabsorption, Except Pancreatitis

MS-DRG index

Defines the logic of DRG(s) 444-446 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 576.8 Other specified disorders of biliary tract (approximate)
• 577.8 Other specified diseases of pancreas (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Manifestation codes as principal diagnosis: Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and are not allowed as principal diagnosis.

Diagnosis Index entries for K87

• Disorder (of) › gallbladder, biliary tract and pancreas in diseases classified elsewhere

Nearby codes

• K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere (this code)