Is R22.9 a billable ICD-10-CM code?

Yes. R22.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R22.9 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 R22.9?

R22.9 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 R22.9 (R22) and apply to it just the same.

R22.9

R22.9 — Localized swelling, mass and lump, unspecified

Billable / specific codeICD-10-CM

R22.9 is a billable, specific ICD-10-CM code for localized swelling, mass and lump, unspecified. It is valid for submission on a claim.

Excludes1 inherited from the categories above R22.9

These are not written on R22.9, but they bind it: a note on a category applies to every code beneath it. Billing R22.9 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

R22.9 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.

How R22.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R22.9.

Mass›localized(skin)
Mass›superficial(localized)
Swelling›localized(skin)

Code history

R22.9 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share R22. If R22.9 is not quite right, the correct code is usually one of these.

Questions about R22.9

Is R22.9 a billable ICD-10-CM code?: Yes. R22.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R22.9 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 R22.9?: R22.9 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 R22.9 (R22) and apply to it just the same.