B38.0 Acute pulmonary coccidioidomycosis

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

Risk adjustment (HCC)

• CMS-HCC V22: HCC 115 — Pneumococcal Pneumonia, Empyema, Lung Abscess
• ESRD V24: HCC 115

MS-DRG index

Defines the logic of DRG(s) 177-179 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 114.0 Primary coccidioidomycosis (pulmonary) (approximate)

Code annotations containing back-references to B38.0

Back-references to B38.0

• Type 1 Excludes: J17 Pneumonia in diseases classified elsewhere ("pneumonia in coccidioidomycosis (B38.0-B38.2)")
• Type 1 Excludes: J99 Respiratory disorders in diseases classified elsewhere ("coccidioidomycosis (B38.0-B38.2)")

Back-references to B38

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("mycoses (B35-B49)")

Diagnosis Index entries for B38.0

• Coccidioidomycosis › pulmonary › acute
• Desert › rheumatism
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › desert
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › San Joaquin (Valley)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › valley
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › in (due to) › coccidioidomycosis › acute
• San Joaquin (Valley) fever
• Valley fever

Nearby codes

• B38 Coccidioidomycosis
• B38.0 Acute pulmonary coccidioidomycosis (this code)
• B38.1 Chronic pulmonary coccidioidomycosis
• B38.2 Pulmonary coccidioidomycosis, unspecified
• B38.3 Cutaneous coccidioidomycosis
• B38.4 Coccidioidomycosis meningitis
• B38.7 Disseminated coccidioidomycosis