All ICD10 Codes

K27

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Peptic ulcer, site unspecified

Use a more specific code (9 billable)
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
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

K20-K31 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hiatus hernia (K44.-)

Instructional Notes

Includes
  • gastroduodenal ulcer NOS
  • peptic ulcer NOS
Excludes1(Not coded here. Use a different code.)
  • peptic ulcer of newborn (P78.82)
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K20-K31Diseases of esophagus, stomach and duodenum (K20-K31)
K27Peptic ulcer, site unspecifiedNot billable
K27.0Acute peptic ulcer, site unspecified, with hemorrhageBillable
K27.1Acute peptic ulcer, site unspecified, with perforationBillable
K27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
K27.3Acute peptic ulcer, site unspecified, without hemorrhage or perforationBillable
K27.4Chronic or unspecified peptic ulcer, site unspecified, with hemorrhageBillable
K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationBillable
K27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
K27.7Chronic peptic ulcer, site unspecified, without hemorrhage or perforationBillable
K27.9Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforationBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K27:

blockK20-K31
Diseases of esophagus, stomach and duodenum (K20-K31)
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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