R22.0
Billable codeLocalized swelling, mass and lump, head
The ICD-10 code for localized swelling, mass and lump, head is R22.0.
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
- R22.1Localized swelling, mass and lump, neck
- R22.2Localized swelling, mass and lump, trunk
- R22.3Localized swelling, mass and lump, upper limbnon-billable header
- R22.4Localized swelling, mass and lump, lower limbnon-billable header
- R22.9Localized swelling, mass and lump, unspecified
- R22.0Localized swelling, mass and lump, head
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7822Approximate match
- 7842Approximate match
Associated MS-DRGs
R22.0 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 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC