ICD-10 Code K27.9 – Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K27.9 – Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
What it is
This code identifies a peptic ulcer when the site is not specified and the record does not state whether it is acute or chronic. It also indicates no hemorrhage or perforation is documented.
Clinical signs
Typical findings include epigastric pain, dyspepsia, nausea, or symptoms that improve or worsen with meals. Clinical features vary; refer to documentation.
When to use this code
Use K27.9 when the provider documents a peptic ulcer but does not specify the ulcer site or whether it is acute or chronic. Apply it only when the record also shows no bleeding and no perforation. If the note is incomplete, check documentation before assigning the code.
Do not use for
Do not use this code if the ulcer site is known or if hemorrhage or perforation is documented. Also avoid it when the chart specifies a different ulcer type, such as gastric or duodenal.
Coding tip
Query for ulcer site and complication status whenever the note says only “peptic ulcer.”