DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K83 Other diseases of biliary tract

  • Header · not billable

K83 is not billable. The category heads 9 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Billable codes
9
Subdivisions
8
CC / MCC codes
3 / 2
HCC V28 codes
3
New FY2027
0
Index entries
66

Codes in K83

  1. K83.0
    Cholangitis
    Header
    Excludes1 2, Excludes2 3

    Excludes1

    • cholangitic liver abscess (K75.0) K75.0
    • cholangitis with choledocholithiasis (K80.3-, K80.4-) K80.3 K80.4

    Excludes2

    • chronic nonsuppurative destructive cholangitis (K74.3) K74.3
    • primary biliary cholangitis (K74.3) K74.3
    • primary biliary cirrhosis (K74.3) K74.3
  2. K83.01
    Primary sclerosing cholangitis
    BillableCC68
  3. K83.09
    Other cholangitis
    BillableCC68
    Inclusion terms 8

    Inclusion terms

    • Ascending cholangitis
    • Cholangitis NOS
    • Primary cholangitis
    • Recurrent cholangitis
    • Sclerosing cholangitis
    • Secondary cholangitis
    • Stenosing cholangitis
    • Suppurative cholangitis
  4. K83.1
    Obstruction of bile duct
    BillableMCC68
    Inclusion terms 3, Excludes1 2

    Inclusion terms

    • Occlusion of bile duct without cholelithiasis
    • Stenosis of bile duct without cholelithiasis
    • Stricture of bile duct without cholelithiasis

    Excludes1

    • congenital obstruction of bile duct (Q44.3) Q44.3
    • obstruction of bile duct with cholelithiasis (K80.-) K80
  5. K83.2
    Perforation of bile duct
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Rupture of bile duct
  6. K83.3
    Fistula of bile duct
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Choledochoduodenal fistula
  7. K83.4
    Spasm of sphincter of Oddi
    Billable
  8. K83.5
    Biliary cyst
    Billable
  9. K83.8
    Other specified diseases of biliary tract
    Billable
    Inclusion terms 4

    Inclusion terms

    • Adhesions of biliary tract
    • Atrophy of biliary tract
    • Hypertrophy of biliary tract
    • Ulcer of biliary tract
  10. K83.9
    Disease of biliary tract, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At K83

Excludes1

  • postcholecystectomy syndrome (K91.5) K91.5

Excludes2

  • conditions involving the gallbladder (K81-K82) K81 K82
  • conditions involving the cystic duct (K81-K82) K81 K82

Notes that also apply

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.

Index entries

  • Angiocholitis → K83.09
  • Cholangiolitis (acute) (chronic) (extrahepatic) (gangrenous) (intrahepatic) → K83.09
  • Cholangitis (ascending) (recurrent) (secondary) (stenosing) (suppurative) → K83.09
  • Choledochitis (suppurative) → K83.09
  • Cholestasis NEC → K83.1
  • Mirizzi's syndrome (hepatic duct stenosis) → K83.1
  • Oddi's sphincter spasm → K83.4
  • Cholangiectasis → K83.8
  • Cholangiohepatitis → K83.8
  • Hematobilia → K83.8
  • Cholangitis (ascending) (recurrent) (secondary) (stenosing) (suppurative)primary → K83.09
  • Cholangitis (ascending) (recurrent) (secondary) (stenosing) (suppurative)sclerosing → K83.09
  • Jaundice (yellow)obstructive → K83.1
  • Jaundice (yellow)regurgitation → K83.1
  • Obliterationbile duct (noncalculous) → K83.1
  • Obliterationcommon duct (noncalculous) → K83.1
  • Obstruction, obstructed, obstructiveampulla of Vater → K83.1
  • Obstruction, obstructed, obstructivebile duct or passage (common) (hepatic) (noncalculous) → K83.1
  • Obstruction, obstructed, obstructivebiliary (duct) (tract) → K83.1
  • Obstruction, obstructed, obstructivecommon duct (noncalculous) → K83.1
  • Obstruction, obstructed, obstructivehepatobiliary → K83.1
  • Occlusion, occludedbile duct (common) (hepatic) (noncalculous) → K83.1
  • Stasisbile (noncalculous) → K83.1
  • Stenosis, stenotic (cicatricial)ampulla of Vater → K83.1
  • Stenosis, stenotic (cicatricial)bile duct (common) (hepatic) → K83.1
  • Stenosis, stenotic (cicatricial)common (bile) duct → K83.1
  • Stenosis, stenotic (cicatricial)hepatic duct → K83.1
  • Stenosis, stenotic (cicatricial)papilla of Vater → K83.1
  • Stenosis, stenotic (cicatricial)sphincter of Oddi → K83.1
  • Strictureampulla of Vater → K83.1
  • Stricturebile duct (common) (hepatic) → K83.1
  • Stricturecommon (bile) duct → K83.1
  • Stricturehepatic duct → K83.1
  • SyndromeMirizzi's → K83.1
  • Perforation, perforated (nontraumatic) (of)bile duct (common) (hepatic) → K83.2
  • Perforation, perforated (nontraumatic) (of)common duct (bile) → K83.2
  • Rupture, rupturedbile duct (common) (hepatic) → K83.2
  • Fistula (cutaneous)bile duct (common) (hepatic) → K83.3
  • Spasm(s), spastic, spasticityampulla of Vater → K83.4
  • Spasm(s), spastic, spasticitysphincter of Oddi → K83.4

26 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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