N61.0
Billable codeMastitis without abscess
The ICD-10 code for mastitis without abscess is N61.0.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Infective mastitis (acute) (nonpuerperal) (subacute)
- Mastitis (acute) (nonpuerperal) (subacute) NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
- Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
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
- N61.1Abscess of the breast and nipple
- N61.2Granulomatous mastitisnon-billable header
- N61.0Mastitis without abscess
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 6110Approximate match
Associated MS-DRGs
N61.0 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.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 600Non-Malignant Breast Disorders with CC/MCC
- DRG 601Non-Malignant Breast Disorders without CC/MCC