P39.0
Billable codeNeonatal infective mastitis
The ICD-10 code for neonatal infective mastitis is P39.0.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- P39.1Neonatal conjunctivitis and dacryocystitis
- P39.2Intra-amniotic infection affecting newborn, not elsewhere classified
- P39.3Neonatal urinary tract infection
- P39.4Neonatal skin infection
- P39.8Other specified infections specific to the perinatal period
- P39.9Infection specific to the perinatal period, unspecified
- P39.0Neonatal infective mastitis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7715
Associated MS-DRGs
P39.0 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.