K27

Non-billable

Peptic ulcer, site unspecified

K27 is the ICD-10-CM code for Peptic ulcer, site unspecified. It is a non-billable category code — use a more specific child code such as K27.0 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Subcodes
9
Edition
FY2026

K00-K95 Diseases of the digestive system

Includes

  • gastroduodenal ulcer NOS
  • peptic ulcer NOS

Excludes1 — not coded here

  • peptic ulcer of newborn (P78.82)

Use additional code

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

Frequently asked questions

What is ICD-10 code K27?
K27 is the ICD-10-CM code for "Peptic ulcer, site unspecified". It falls under K00-K95 Diseases of the digestive system.
Is K27 a billable code?
No — K27 is a non-billable header code. Use a more specific child code (such as K27.0) for billing.
What are the subcodes of K27?
K27 has 9 more specific child codes, including K27.0, K27.1, K27.2.
What is excluded from K27?
Excludes1 (not coded here): peptic ulcer of newborn (P78.82).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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