U.S. ICD-10-CM · FY 2027

K27 ICD-10-CM Code: Peptic ulcer, site unspecified

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

Code definition

Official description

K27

Peptic ulcer, site unspecified

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

Classification

Where K27 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 K27

    Peptic ulcer, site unspecified

  4. 4

    Code K27

    Peptic ulcer, site unspecified

More specific choices

Codes under K27

K27 is a non-billable category. Choose the child code that best matches the documented diagnosis.

K27.0

Acute peptic ulcer, site unspecified, with hemorrhage

K27.1

Acute peptic ulcer, site unspecified, with perforation

K27.2

Acute peptic ulcer, site unspecified, with both hemorrhage and perforation

K27.3

Acute peptic ulcer, site unspecified, without hemorrhage or perforation

K27.4

Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage

K27.5

Chronic or unspecified peptic ulcer, site unspecified, with perforation

K27.6

Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation

K27.7

Chronic peptic ulcer, site unspecified, without hemorrhage or perforation

K27.9

Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for K27.

Code first

No “code first” instruction is listed for K27.

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-)

Excludes1

Conditions that should not be reported together with this code.

  • peptic ulcer of newborn (P78.82)

Excludes2

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

No Excludes2 note is listed for K27.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 K27 mean?

K27 is the FY 2027 U.S. ICD-10-CM code for “Peptic ulcer, site unspecified.”

Is K27 a billable or specific ICD-10-CM code?

No. K27 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K27 located in ICD-10-CM?

K27 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 K27, Peptic ulcer, site unspecified.

What coding notes are listed for K27?

No inclusion terms are listed for K27 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify:; alcohol abuse and dependence (F10.-). Excludes1 notes: peptic ulcer of newborn (P78.82). No Excludes2 note is listed.

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