J94.2 Hemothorax

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

Applicable to

• Hemopneumothorax

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)

• 511.1 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 J94.2

Back-references to J94.2

• Code Also: N80.B Endometriosis of cardiothoracic space ("catamenial hemothorax (J94.2)")

Diagnosis Index entries for J94.2

• Hemothorax (bacterial) (nontuberculous)
• Pneumohemothorax

Nearby codes

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