J94.0 Chylous effusion

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

Applicable to

• Chyliform effusion

Applies from J94 Other pleural conditions

Excludes1 (never code together)

• pleurisy NOS (R09.1)
• traumatic hemopneumothorax (S27.2)
• traumatic hemothorax (S27.1)
• tuberculous pleural conditions (current disease) (A15.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 511.89 Other specified forms of effusion, except tuberculous (approximate)

Code annotations containing back-references to J94.0

Back-references to J94.0

• Code Also: I27.841 Fontan-associated lymphatic dysfunction ("chylothorax (J94.0)")
• Type 1 Excludes: J90 Pleural effusion, not elsewhere classified ("chylous (pleural) effusion (J94.0)")

Diagnosis Index entries for J94.0

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

Nearby codes

• J94 Other pleural conditions
• J94.0 Chylous effusion (this code)
• J94.1 Fibrothorax
• J94.2 Hemothorax
• J94.8 Other specified pleural conditions
• J94.9 Pleural condition, unspecified