J90 Pleural effusion, not elsewhere classified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

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

Excludes1 (never code together)

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

Applies from J90 Pleural effusion, not elsewhere classified

Applicable to

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

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 186-188 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 511.1 Pleurisy with effusion, with mention of a bacterial cause other than tuberculosis (approximate)
• 511.89 Other specified forms of effusion, except tuberculous (approximate)

Code annotations containing back-references to J90

Back-references to J90

• Code Also: I27.23 Pulmonary hypertension due to lung diseases and hypoxia ("pleural effusion (J90)")
• Type 1 Excludes: R09.1 Pleurisy ("pleurisy with effusion (J90)")

Back-references to J90

• Code Also: I27.23 Pulmonary hypertension due to lung diseases and hypoxia ("pleural effusion (J90)")
• Type 1 Excludes: R09.1 Pleurisy ("pleurisy with effusion (J90)")

Diagnosis Index entries for J90

• Effusion › pleura, pleurisy, pleuritic, pleuropericardial
• Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved) › with › effusion
• Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved) › pneumococcal
• Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved) › streptococcal

Nearby codes

• J90 Pleural effusion, not elsewhere classified (this code)