DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

I32 diagnosis code · Billable category · FY2027

I32 Pericarditis in diseases classified elsewhere

  • Billable
  • CC
  • POA reported

I32 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

CC / MCC
CC
MS-DRG
314-316, 791, 793
HCC V28
–
POA
Reported
Code Editor
Manifestation
Index entries
1

Instructions

At I32

Excludes1

  • pericarditis (in):
  • coxsackie (virus) (B33.23) B33.23
  • gonococcal (A54.83) A54.83
  • meningococcal (A39.53) A39.53
  • rheumatoid (arthritis) (M05.31) M05.31
  • syphilitic (A52.06) A52.06
  • systemic lupus erythematosus (M32.12) M32.12
  • tuberculosis (A18.84) A18.84

Code first

  • underlying disease

Notes that also apply

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.

Index entries

  • Pericarditis (with decompensation) (with effusion)uremic → N18.9 [I32]

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

Medicare grouping and edits

CMS files for I32
CC / MCCCC
PDX exclusion list0814 (16 codes)
Appendix BMDC 05 Diseases and Disorders of the Circulatory System, MS-DRG 314-316 (Other Circulatory System Diagnoses with MCC…); MDC 15 Newborns and Other Neonates with Conditions Originating in Perinatal Period, MS-DRG 791 (Prematurity with Major Problems…); MDC 15 Newborns and Other Neonates with Conditions Originating in Perinatal Period, MS-DRG 793 (Full Term Neonate with Major Problems…)
Code EditorManifestation code: not allowed as principal diagnosis
POAReported
HCC V28–

CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

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

Hierarchy