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ICD-10/K80.10

K80.10 ICD-10-CM Code: Calculus of gallbladder with chronic cholecystitis without obstruction

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 444 — DISORDERS OF THE BILIARY TRACT WITH MCC (MDC 07)
  • MS-DRG 445 — DISORDERS OF THE BILIARY TRACT WITH CC (MDC 07)
  • MS-DRG 446 — DISORDERS OF THE BILIARY TRACT WITHOUT CC/MCC (MDC 07)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Calculus of gallbladder with chronic cholecystitis without obstruction is a billable ICD-10-CM diagnosis code (K80.10).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for K80.10 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Cholelithiasis with cholecystitis NOS

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • retained cholelithiasis following cholecystectomy (K91.86)

Use Additional Code

Supplementary codes the tabular list directs you to add.

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

Nearest Codes in This Family

Official ICD-10-CM classifications closest to K80.10 in its code family, with their registry titles.

  • K80 — Cholelithiasis
  • K80.0 — Calculus of gallbladder with acute cholecystitis
  • K80.00 — Calculus of gallbladder with acute cholecystitis without obstruction
  • K80.01 — Calculus of gallbladder with acute cholecystitis with obstruction
  • K80.1 — Calculus of gallbladder with other cholecystitis
  • K80.11 — Calculus of gallbladder with chronic cholecystitis with obstruction
  • K80.12 — Calculus of gallbladder with acute and chronic cholecystitis without obstruction
  • K80.13 — Calculus of gallbladder with acute and chronic cholecystitis with obstruction
  • K80.18 — Calculus of gallbladder with other cholecystitis without obstruction
  • K80.19 — Calculus of gallbladder with other cholecystitis with obstruction

View all codes in the K80 family

Indexed Clinical Terms (2)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Calculus, calculi, calculous, gallbladder, with, cholecystitis
  • Calculus, calculi, calculous, gallbladder, with, cholecystitis, chronic