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U.S. ICD-10-CM · FY 2027

C23 ICD-10-CM Code: Malignant neoplasm of gallbladder

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

C23

Malignant neoplasm of gallbladder

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where C23 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of digestive organs (C15-C26)

  3. 3

    Category C23

    Malignant neoplasm of gallbladder

  4. 4

    Code C23

    Malignant neoplasm of gallbladder

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for C23.

Code first

No “code first” instruction is listed for C23.

Use additional code

No “use additional code” instruction is listed for C23.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C23.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C23.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code C23 mean?

C23 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of gallbladder.”

Is C23 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, C23 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is C23 located in ICD-10-CM?

C23 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of digestive organs (C15-C26) (C15–C26), under category C23, Malignant neoplasm of gallbladder.

What coding notes are listed for C23?

No inclusion terms are listed for C23 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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