J93.0 Spontaneous tension pneumothorax

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

Applies from J93 Pneumothorax and air leak

Excludes1 (never code together)

• congenital or perinatal pneumothorax (P25.1)
• postprocedural air leak (J95.812)
• postprocedural pneumothorax (J95.811)
• traumatic pneumothorax (S27.0)
• tuberculous (current disease) pneumothorax (A15.-)
• pyopneumothorax (J86.-)

MS-DRG index

Defines the logic of DRG(s) 199-201 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 512.0 Spontaneous tension pneumothorax

Code annotations containing back-references to J93.0

Back-references to J93

• Type 1 Excludes: S27.0 Traumatic pneumothorax ("spontaneous pneumothorax (J93.-)")

Diagnosis Index entries for J93.0

• Pneumothorax NOS › spontaneous NOS › tension
• Pneumothorax NOS › tense valvular, infectional
• Pneumothorax NOS › tension (spontaneous)
• Tension › pneumothorax

Nearby codes

• J93 Pneumothorax and air leak
• J93.0 Spontaneous tension pneumothorax (this code)
• J93.1 Other spontaneous pneumothorax
• J93.11 Primary spontaneous pneumothorax
• J93.12 Secondary spontaneous pneumothorax
• J93.8 Other pneumothorax and air leak
• J93.81 Chronic pneumothorax