DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

J90 diagnosis code · Billable category · FY2027

J90 Pleural effusion, not elsewhere classified

  • Billable
  • CC
  • POA reported

J90 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J90-J94 Other diseases of the pleura (J90-J94)
  3. J90 Pleural effusion, not elsewhere classified
CC / MCC
CC
MS-DRG
186-188, 791, 793
HCC V28
–
POA
Reported
Code Editor
–
Index entries
4

Instructions

At J90

Inclusion terms

  • Encysted pleurisy
  • Pleural effusion NOS
  • Pleurisy with effusion (exudative) (serous)

Excludes1

  • chylous (pleural) effusion (J94.0) J94.0
  • malignant pleural effusion (J91.0)) J91.0
  • pleurisy NOS (R09.1) R09.1
  • tuberculous pleural effusion (A15.6) A15.6

Notes that also apply

Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.

Index entries

  • Effusionpleura, pleurisy, pleuritic, pleuropericardial → J90
  • Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved)pneumococcal → J90
  • Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved)streptococcal → J90
  • Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved)witheffusion → J90

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

Medicare grouping and edits

CMS files for J90
CC / MCCCC
PDX exclusion list1006 (29 codes)
Appendix BMDC 04 Diseases and Disorders of the Respiratory System, MS-DRG 186-188 (Pleural Effusion 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 Editor–
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