A46
Billable codeErysipelas
The ICD-10 code for erysipelas is A46.
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).
- postpartum or puerperal erysipelas (O86.89)
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
- A30Leprosy [Hansen's disease]non-billable header
- A31Infection due to other mycobacterianon-billable header
- A32Listeriosisnon-billable header
- A33Tetanus neonatorum
- A34Obstetrical tetanus
- A35Other tetanus
- A36Diphtherianon-billable header
- A37Whooping coughnon-billable header
- A38Scarlet fevernon-billable header
- A39Meningococcal infectionnon-billable header
- A40Streptococcal sepsisnon-billable header
- A41Other sepsisnon-billable header
- A42Actinomycosisnon-billable header
- A43Nocardiosisnon-billable header
- A44Bartonellosisnon-billable header
- A48Other bacterial diseases, not elsewhere classifiednon-billable header
- A49Bacterial infection of unspecified sitenon-billable header
- A46Erysipelas
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 035
Associated MS-DRGs
A46 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.