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K27

⚠ Non-billable (Header)

Peptic ulcer, site unspecified

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ Includes

  • • gastroduodenal ulcer NOS
  • • peptic ulcer NOS

📋 Code Instructions

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

❌ Excludes1

direct

Cannot be coded with K27

  • • peptic ulcer of newborn (P78.82)

Child Codes (9)

K27.0Acute peptic ulcer, site unspecified, with hemorrhageK27.1Acute peptic ulcer, site unspecified, with perforationK27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perforationK27.3Acute peptic ulcer, site unspecified, without hemorrhage or perforationK27.4Chronic or unspecified peptic ulcer, site unspecified, with hemorrhageK27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationK27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforationK27.7Chronic peptic ulcer, site unspecified, without hemorrhage or perforationK27.9Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation

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Code Information

CodeK27
BillableNo — Header code
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes20 note(s)
Child codes9

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)