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K30 ICD-10-CM Code: Functional dyspepsia

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

Official description

K30

Functional dyspepsia

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

Where K30 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Diseases of esophagus, stomach and duodenum (K20-K31)

  3. 3

    Category K30

    Functional dyspepsia

  4. 4

    Code K30

    Functional dyspepsia

Notes for this code

Inclusion terms

  • Indigestion

Code first

No “code first” instruction is listed for K30.

Use additional code

No “use additional code” instruction is listed for K30.

Excludes1

Conditions that should not be reported together with this code.

  • dyspepsia NOS (R10.13)
  • heartburn (R12)
  • nervous dyspepsia (F45.8)
  • neurotic dyspepsia (F45.8)
  • psychogenic dyspepsia (F45.8)

Excludes2

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

No Excludes2 note is listed for K30.

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

Frequently asked questions

What does ICD-10-CM code K30 mean?

K30 is the FY 2027 U.S. ICD-10-CM code for “Functional dyspepsia.”

Is K30 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, K30 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 K30 located in ICD-10-CM?

K30 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of esophagus, stomach and duodenum (K20-K31) (K20–K31), under category K30, Functional dyspepsia.

What coding notes are listed for K30?

Its listed inclusion terms are Indigestion. No code-first instruction is listed. Excludes1 notes: dyspepsia NOS (R10.13); heartburn (R12); nervous dyspepsia (F45.8); neurotic dyspepsia (F45.8); psychogenic dyspepsia (F45.8). No Excludes2 note is listed.