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K83.8

K83.8Other specified diseases of biliary tract

Billable / specific codeICD-10-CM

K83.8 is a billable, specific ICD-10-CM code for other specified diseases of biliary tract. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Adhesions of biliary tract
  • Atrophy of biliary tract
  • Hypertrophy of biliary tract
  • Ulcer of biliary tract

Risk adjustment

K83.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K83.8 is named in 8 Medicare coverage policies 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed

How K83.8 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K83.8.

  • Cholangiectasis
  • Cholangiohepatitis
  • Hematobilia
  • Adhesions, adhesivebile duct(common) (hepatic)
  • Adhesions, adhesivecommon duct
  • Atrophy, atrophicbile duct(common) (hepatic)
  • Cicatrixbile duct(common) (hepatic)
  • Cicatrixcommon duct
  • Contraction, contracture, contractedbile duct(common) (hepatic)
  • Dilatationcommon duct(acquired)
  • Dyssynergiabiliary
  • Hypertrophy, hypertrophicbile duct(common) (hepatic)

Related codes at this level

Codes that share K83. If K83.8 is not quite right, the correct code is usually one of these.

Questions about K83.8

Is K83.8 a billable ICD-10-CM code?
Yes. K83.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K83.8 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Disorders of gallbladder, biliary tract and pancreas (K80-K87).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.