U.S. ICD-10-CM · FY 2027

J90 ICD-10-CM Code: Pleural effusion, not elsewhere classified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

J90

Pleural effusion, not elsewhere classified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where J90 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Other diseases of the pleura (J90-J94)

  3. 3

    Category J90

    Pleural effusion, not elsewhere classified

  4. 4

    Code J90

    Pleural effusion, not elsewhere classified

Documentation details

Notes for this code

Inclusion terms

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

Code first

No “code first” instruction is listed for J90.

Use additional code

No “use additional code” instruction is listed for J90.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for J90.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code J90 mean?

J90 is the FY 2027 U.S. ICD-10-CM code for “Pleural effusion, not elsewhere classified.”

Is J90 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, J90 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is J90 located in ICD-10-CM?

J90 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Other diseases of the pleura (J90-J94) (J90–J94), under category J90, Pleural effusion, not elsewhere classified.

What coding notes are listed for J90?

Its listed inclusion terms are Encysted pleurisy; Pleural effusion NOS; Pleurisy with effusion (exudative) (serous). No code-first instruction is listed. Excludes1 notes: chylous (pleural) effusion (J94.0); malignant pleural effusion (J91.0)); pleurisy NOS (R09.1); tuberculous pleural effusion (A15.6). No Excludes2 note is listed.

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