Is R22.4 a billable ICD-10-CM code?

No. R22.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R22.4 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).

What cannot be coded together with R22.4?

R22.4 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R22.4 (R22) and apply to it just the same.

R22.4

R22.4 — Localized swelling, mass and lump, lower limb

Non-billable headerICD-10-CM

R22.4 is a non-billable header ICD-10-CM code for localized swelling, mass and lump, lower limb. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above R22.4

These are not written on R22.4, but they bind it: a note on a category applies to every code beneath it. Billing R22.4 with anything listed here is a denial.

Written on R22 — Localized swelling, mass and lump of skin and subcutaneous tissue

abnormal findings on diagnostic imaging (R90-R93)
edema (R60.-)
enlarged lymph nodes (R59.-)
localized adiposity (E65)
swelling of joint (M25.4-)

Risk adjustment

R22.4 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.

Code history

R22.4 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead R22.4

4 child codes. Green means billable.

Related codes at this level

Codes that share R22. If R22.4 is not quite right, the correct code is usually one of these.

Questions about R22.4

Is R22.4 a billable ICD-10-CM code?: No. R22.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R22.4 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).
What cannot be coded together with R22.4?: R22.4 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R22.4 (R22) and apply to it just the same.