K27.5

Chronic or unspecified peptic ulcer, site unspecified, with perforation

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC78

Intestinal Obstruction/Perforation

CMS-HCC ESRD V24

HCC33

Intestinal Obstruction/Perforation

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from K27Peptic ulcer, site unspecified

Includes

gastroduodenal ulcer NOS peptic ulcer NOS

Excludes 1

peptic ulcer of newborn (P78.82)

Use additional

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

Inherited from K20-K31Diseases of esophagus, stomach and duodenum

Excludes 2

hiatus hernia (K44.-)

Inherited from chapter 11Diseases of the digestive system

Excludes 2

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)

Official Guidelines for K27.5

FY 2026 ›

I.C.11Chapter-specific guidanceChapter 11: Diseases of the Digestive System (K00-K95)

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