DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K80 Cholelithiasis

  • Header · not billable

K80 is not billable. The category heads 40 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • Calculus, calculi, calculousgallbladder → K80.20
  • Calculus, calculi, calculoushepatobiliary → K80.80
  • Calculus, calculi, calculousgallbladder and bile duct → K80.70

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K80-K87 Disorders of gallbladder, biliary tract and pancreas (K80-K87)
  3. K80 Cholelithiasis
Billable codes
40
Subdivisions
9
CC / MCC codes
35 / 1
HCC V28 codes
0
New FY2027
0
Index entries
63

Codes in K80

  1. K80.0
    Calculus of gallbladder with acute cholecystitis
    Header
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Any condition listed in K80.2 with acute cholecystitis K80.2

    Use additional code

    • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2) K82.A1 K82.A2
  2. K80.00
    Calculus of gallbladder with acute cholecystitis without obstruction
    BillableCC
  3. K80.01
    Calculus of gallbladder with acute cholecystitis with obstruction
    BillableCC
  4. K80.1
    Calculus of gallbladder with other cholecystitis
    Header
    Use additional code 1

    Use additional code

    • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2) K82.A1 K82.A2
  5. K80.10
    Calculus of gallbladder with chronic cholecystitis without obstruction
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Cholelithiasis with cholecystitis NOS
  6. K80.11
    Calculus of gallbladder with chronic cholecystitis with obstruction
    BillableCC
  7. K80.12
    Calculus of gallbladder with acute and chronic cholecystitis without obstruction
    BillableCC
  8. K80.13
    Calculus of gallbladder with acute and chronic cholecystitis with obstruction
    BillableCC
  9. K80.18
    Calculus of gallbladder with other cholecystitis without obstruction
    BillableCC
  10. K80.19
    Calculus of gallbladder with other cholecystitis with obstruction
    BillableCC
  11. K80.2
    Calculus of gallbladder without cholecystitis
    Header
    Inclusion terms 5

    Inclusion terms

    • Cholecystolithiasis without cholecystitis
    • Cholelithiasis (without cholecystitis)
    • Colic (recurrent) of gallbladder (without cholecystitis)
    • Gallstone (impacted) of cystic duct (without cholecystitis)
    • Gallstone (impacted) of gallbladder (without cholecystitis)
  12. K80.20
    Calculus of gallbladder without cholecystitis without obstruction
    Billable
  13. K80.21
    Calculus of gallbladder without cholecystitis with obstruction
    BillableCC
  14. K80.3
    Calculus of bile duct with cholangitis
    Header
    Inclusion terms 1

    Inclusion terms

    • Any condition listed in K80.5 with cholangitis K80.5
  15. K80.30
    Calculus of bile duct with cholangitis, unspecified, without obstruction
    BillableCC
  16. K80.31
    Calculus of bile duct with cholangitis, unspecified, with obstruction
    BillableCC
  17. K80.32
    Calculus of bile duct with acute cholangitis without obstruction
    BillableCC
  18. K80.33
    Calculus of bile duct with acute cholangitis with obstruction
    BillableCC
  19. K80.34
    Calculus of bile duct with chronic cholangitis without obstruction
    BillableCC
  20. K80.35
    Calculus of bile duct with chronic cholangitis with obstruction
    BillableCC
  21. K80.36
    Calculus of bile duct with acute and chronic cholangitis without obstruction
    BillableCC
  22. K80.37
    Calculus of bile duct with acute and chronic cholangitis with obstruction
    BillableCC
  23. K80.4
    Calculus of bile duct with cholecystitis
    Header
    Inclusion terms 1, Use additional code 1, Code also 1

    Inclusion terms

    • Any condition listed in K80.5 with cholecystitis (with cholangitis) K80.5

    Use additional code

    • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2) K82.A1 K82.A2

    Code also

    • , if applicable, fistula of bile duct (K83.3) K83.3
  24. K80.40
    Calculus of bile duct with cholecystitis, unspecified, without obstruction
    BillableCC
  25. K80.41
    Calculus of bile duct with cholecystitis, unspecified, with obstruction
    BillableCC
  26. K80.42
    Calculus of bile duct with acute cholecystitis without obstruction
    BillableCC
  27. K80.43
    Calculus of bile duct with acute cholecystitis with obstruction
    BillableCC
  28. K80.44
    Calculus of bile duct with chronic cholecystitis without obstruction
    BillableCC
  29. K80.45
    Calculus of bile duct with chronic cholecystitis with obstruction
    BillableCC
  30. K80.46
    Calculus of bile duct with acute and chronic cholecystitis without obstruction
    BillableCC
  31. K80.47
    Calculus of bile duct with acute and chronic cholecystitis with obstruction
    BillableCC
  32. K80.5
    Calculus of bile duct without cholangitis or cholecystitis
    Header
    Inclusion terms 6

    Inclusion terms

    • Choledocholithiasis (without cholangitis or cholecystitis)
    • Gallstone (impacted) of bile duct NOS (without cholangitis or cholecystitis)
    • Gallstone (impacted) of common duct (without cholangitis or cholecystitis)
    • Gallstone (impacted) of hepatic duct (without cholangitis or cholecystitis)
    • Hepatic cholelithiasis (without cholangitis or cholecystitis)
    • Hepatic colic (recurrent) (without cholangitis or cholecystitis)
  33. K80.50
    Calculus of bile duct without cholangitis or cholecystitis without obstruction
    Billable
  34. K80.51
    Calculus of bile duct without cholangitis or cholecystitis with obstruction
    BillableCC
  35. K80.6
    Calculus of gallbladder and bile duct with cholecystitis
    Header
    Use additional code 1

    Use additional code

    • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2) K82.A1 K82.A2
  36. K80.60
    Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction
    BillableCC
  37. K80.61
    Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction
    BillableCC
  38. K80.62
    Calculus of gallbladder and bile duct with acute cholecystitis without obstruction
    BillableCC
  39. K80.63
    Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
    BillableCC
  40. K80.64
    Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction
    BillableCC
  41. K80.65
    Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction
    BillableCC
  42. K80.66
    Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction
    BillableCC
  43. K80.67
    Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction
    BillableMCC
  44. K80.7
    Calculus of gallbladder and bile duct without cholecystitis
    Header
  45. K80.70
    Calculus of gallbladder and bile duct without cholecystitis without obstruction
    Billable
  46. K80.71
    Calculus of gallbladder and bile duct without cholecystitis with obstruction
    BillableCC
  47. K80.8
    Other cholelithiasis
    Header
  48. K80.80
    Other cholelithiasis without obstruction
    Billable
  49. K80.81
    Other cholelithiasis with obstruction
    BillableCC

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 K80

Excludes1

  • retained cholelithiasis following cholecystectomy (K91.86) K91.86

Notes that also apply

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

Index entries

  • Calculus, calculi, calculousgallbladder → K80.20
  • Calculus, calculi, calculousbile duct (common) (hepatic) → K80.50
  • Calculus, calculi, calculousgallbladder and bile duct → K80.70
  • Calculus, calculi, calculoushepatobiliary → K80.80
  • Cholelithiasis (cystic duct) (gallbladder) (impacted) (multiple)specified NEC → K80.80
  • Gallstone (colic) (cystic duct) (gallbladder) (impacted) (multiple)specified NEC → K80.80
  • Obstruction, obstructed, obstructivecystic ductwith calculus → K80.21
  • Obstruction, obstructed, obstructivegallbladderwith calculus, stones → K80.21
  • Obstruction, obstructed, obstructivebile duct or passage (common) (hepatic) (noncalculous)with calculus → K80.51
  • Calculus, calculi, calculousbiliaryspecified NEC → K80.80
  • Calculus, calculi, calculoushepatobiliarywith obstruction → K80.81
  • Cholelithiasis (cystic duct) (gallbladder) (impacted) (multiple)specified NECwith obstruction → K80.81
  • Gallstone (colic) (cystic duct) (gallbladder) (impacted) (multiple)specified NECwith obstruction → K80.81
  • Calculus, calculi, calculousgallbladderwithcholecystitis → K80.10
  • Cholecystitischronicwith acute cholecystitiswith gallbladder calculus → K80.12
  • Calculus, calculi, calculousgallbladderwithobstruction → K80.21
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholangitis → K80.30
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholecystitis (with cholangitis) → K80.40
  • Calculus, calculi, calculousbile duct (common) (hepatic)withobstruction → K80.51
  • Calculus, calculi, calculousgallbladder and bile ductwithcholecystitis → K80.60
  • Calculus, calculi, calculousgallbladder and bile ductwithobstruction → K80.71
  • Calculus, calculi, calculousbiliaryspecified NECwith obstruction → K80.81
  • Calculus, calculi, calculousgallbladderwithcholecystitisacute → K80.00
  • Calculus, calculi, calculousgallbladderwithcholecystitischronic → K80.10
  • Calculus, calculi, calculousgallbladderwithcholecystitiswith obstruction → K80.11
  • Cholecystitisacute (emphysematous) (gangrenous) (suppurative)withchronic cholecystitiswith gallbladder calculus → K80.12
  • Cholecystitischronicwith acute cholecystitiswith gallbladder calculuswith obstruction → K80.13
  • Calculus, calculi, calculousgallbladderwithcholecystitisspecified NEC → K80.18
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholangitisacute → K80.32
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholangitischronic → K80.34
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholecystitis (with cholangitis)with obstruction → K80.41
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholecystitis (with cholangitis)acute → K80.42
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholecystitis (with cholangitis)chronic → K80.44
  • Calculus, calculi, calculousgallbladder and bile ductwithcholecystitiswith obstruction → K80.61
  • Calculus, calculi, calculousgallbladder and bile ductwithcholecystitisacute → K80.62
  • Calculus, calculi, calculousgallbladder and bile ductwithcholecystitischronic → K80.64
  • Cholecystitisacute (emphysematous) (gangrenous) (suppurative)withchronic cholecystitiswith gallbladder calculuswith obstruction → K80.13
  • Calculus, calculi, calculousgallbladderwithcholecystitisspecified NECwith obstruction → K80.19
  • Calculus, calculi, calculousbile duct (common) (hepatic)withcholangitiswithobstruction → K80.31
  • Calculus, calculi, calculousgallbladderwithcholecystitisacutewithobstruction → K80.01

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

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

Hierarchy