A43.0
Billable codePulmonary nocardiosis
The ICD-10 code for pulmonary nocardiosis is A43.0.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- A43.1Cutaneous nocardiosis
- A43.8Other forms of nocardiosis
- A43.9Nocardiosis, unspecified
- A43.0Pulmonary nocardiosis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 0391Approximate match
Associated MS-DRGs
A43.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.