DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

K37 diagnosis code · Billable category · FY2027

K37 Unspecified appendicitis

  • Billable
  • Not CC/MCC
  • POA reported

K37 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K35-K38 Diseases of appendix (K35-K38)
  3. K37 Unspecified appendicitis
CC / MCC
Neither
MS-DRG
393-395
HCC V28
–
POA
Reported
Code Editor
–
Index entries
2

Instructions

At K37

Excludes1

  • unspecified appendicitis with peritonitis (K35.2-, K35.3-) K35.2 K35.3

Notes that also apply

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.

Index entries

  • Appendicitis (pneumococcal) (retrocecal) → K37
  • Perityphlitis → K37

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for K37
CC / MCCNeither
Appendix BMDC 06 Diseases and Disorders of the Digestive System, MS-DRG 393-395 (Other Digestive System Diagnoses with MCC…)
Code Editor–
POAReported
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy