ICD-10-CM › R00-R99 › R20-R23 › R22 Localized swelling, mass and lump... › R22.4

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

• R22.40 Localized swelling, mass and lump, unspecified lower limb
• R22.41 Localized swelling, mass and lump, right lower limb
• R22.42 Localized swelling, mass and lump, left lower limb
• R22.43 Localized swelling, mass and lump, lower limb, bilateral

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from R22 Localized swelling, mass and lump of skin and subcutaneous tissue

Excludes1 - never coded here

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

Includes

• subcutaneous nodules (localized)(superficial)

Inherited from the R20-R23 section Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

Excludes2 - not included here

• symptoms relating to breast (N64.4-N64.5)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Lump
• Swollen
• Tumefaction
• Change > skin > swelling
• Swelling > localized > limb > lower
• Mass > localized > limb > lower

Codes in the same group

Code	Description	Status
R22.0	Localized swelling, mass and lump, head	Valid
R22.1	Localized swelling, mass and lump, neck	Valid
R22.2	Localized swelling, mass and lump, trunk	Valid
R22.3	Localized swelling, mass and lump, upper limb	Not billable
R22.9	Localized swelling, mass and lump, unspecified	Valid