Disorders of retroperitoneum
Diseases of the Digestive System·Diseases of peritoneum, retroperitoneum and pelvis (K65-K6A)·category·FY 2027
6 billable codes under K68: 5 are an MCC, 1 is a CC; 2 map to HCC 78 (Intestinal Obstruction/Perforation).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
Peritoneal Disorders: Your peritoneum is the tissue that lines your abdominal wall and covers most of the organs in your abdomen. A liquid, peritoneal fluid, lubricates the surface of this tissue.
Read more about peritoneal disorders on MedlinePlus · Source: MedlinePlus, National Library of Medicine
All codes under K68
K68 can't be used on a claim. Pick a billable code below; grey headings group them.
MS-DRGs
As the principal diagnosis, the billable codes under K68 group to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 791 Prematurity with Major Problems (6 of 6 codes)
- DRG 793 Full Term Neonate with Major Problems (6 of 6 codes)
- DRG 371 Major Gastrointestinal Disorders and Peritoneal Infections with MCC (5 of 6 codes)
- DRG 372 Major Gastrointestinal Disorders and Peritoneal Infections with CC (5 of 6 codes)
- DRG 373 Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC (5 of 6 codes)
- DRG 856 Postoperative or Post-Traumatic Infections with O.R. Procedures with MCC (1 of 6 codes)
- DRG 857 Postoperative or Post-Traumatic Infections with O.R. Procedures with CC (1 of 6 codes)
- DRG 858 Postoperative or Post-Traumatic Infections with O.R. Procedures without CC/MCC (1 of 6 codes)
- DRG 862 Postoperative and Post-Traumatic Infections with MCC (1 of 6 codes)
- DRG 863 Postoperative and Post-Traumatic Infections without MCC (1 of 6 codes)
Codes whose notes mention K68
If you are coding one of these, its note tells you to add K68 too (Code Also, Use Additional Code), code it first (Code First), or not use it together (Excludes1).
- K65 Excludes1: retroperitoneal infections (K68.-)