K28.5

Chronic or unspecified gastrojejunal ulcer 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 K28Gastrojejunal ulcer
Includes

anastomotic ulcer (peptic) or erosion gastrocolic ulcer (peptic) or erosion gastrointestinal ulcer (peptic) or erosion gastrojejunal ulcer (peptic) or erosion jejunal ulcer (peptic) or erosion marginal ulcer (peptic) or erosion stomal ulcer (peptic) or erosion

Excludes 1

primary ulcer of small intestine (K63.3)

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 K28.5

FY 2026 ›