2027 ICD-10-CM Diagnosis Code K82.9Disease of gallbladder, unspecified

ICD-10-CM Codes›K00–K95›K80-K87›K82

ICD-10-CM K82.9
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K82.9 is a billable ICD-10-CM diagnosis code for disease of gallbladder, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 444 through 446. Coders also document this condition as disorder of gallbladder. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Biliary tract disease.

Code Identity

ICD-10-CM Code
K82.9
Billable Status
Yes — Valid for Submission
Code Describes
Disease of gallbladder, unspecified
Short Description
Disease of gallbladder, unspecified
Same as the full description in the CMS dataset.
Parent Code
K82
Other diseases of gallbladder

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK80-K87Disorders of gallbladder, biliary tract and pancreas
CategoryK82Other diseases of gallbladder
This CodeK82.9Disease of gallbladder, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of gallbladder
  • Finding of sensation of gallbladder
  • Gallbladder pain
  • Gallbladder problem

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K82.9: its own notes plus those printed at K82 and Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From K82 Other diseases of gallbladder applies to 9 codes
  • nonvisualization of gallbladder (R93.2)
  • postcholecystectomy syndrome (K91.5)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name K82.9, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming K82.9: its condition is not part of those codes, and both may be reported when the patient has both.

  • K83 Other diseases of biliary tract
    conditions involving the gallbladder (K81-K82) names K81-K82, which includes this code
  • K83 Other diseases of biliary tract
    conditions involving the cystic duct (K81-K82) names K81-K82, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DIG017
Biliary tract disease
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Gallbladder Diseases

Your gallbladder is a pear-shaped organ under your liver. It stores bile, a fluid made by your liver to digest fat. As your stomach and intestines digest food, your gallbladder releases bile through a tube called the common bile duct. The duct connects your gallbladder and liver to your small intestine.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert K82.9 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
575.9 Dis of gallbladder NOS
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K82.9Overview

What is the ICD-10 code for disease of gallbladder, unspecified?

The ICD-10-CM code for disease of gallbladder, unspecified is K82.9 (sometimes written as K829). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is K82.9 (Other diseases of gallbladder) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report disease of gallbladder, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does K82.9 group to?

When disease of gallbladder, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 444, 445, 446, with relative weights from 0.8121 to 1.6662 depending on complications. Higher weights mean higher Medicare reimbursement.

Can K82.9 be reported with R93.2?

Not as a rule. The Excludes1 note at K82, which applies to K82.9, lists "nonvisualization of gallbladder (R93.2)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of K82.9?

Under the General Equivalence Mappings, disease of gallbladder, unspecified converts to ICD-9-CM 575.9 (dis of gallbladder NOS). The mapping is a direct match.