R22.42
R22.42 — Localized swelling, mass and lump, left lower limb
Billable / specific codeICD-10-CMleft
R22.42 is a billable, specific ICD-10-CM code for localized swelling, mass and lump, left lower limb. It is valid for submission on a claim.
Risk adjustment
R22.42 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
R22.42 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52993Billing and Coding: Peripheral Venous Ultrasound
- A53057Billing and Coding: Home Health Occupational Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
Related codes at this level
Codes that share R22.4. If R22.42 is not quite right, the correct code is usually one of these.
Questions about R22.42
- Is R22.42 a billable ICD-10-CM code?
- Yes. R22.42 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does R22.42 sit in the tabular list?
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the skin and subcutaneous tissue (R20-R23).