R22.4
Non-billableLocalized swelling, mass and lump, lower limb
Localized swelling, mass and lump, lower limb
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- subcutaneous nodules (localized)(superficial)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- abnormal findings on antenatal screening of mother (O28.-)
- certain conditions originating in the perinatal period (P04-P96)
- signs and symptoms classified in the body system chapters
- signs and symptoms of breast (N63, N64.5)
- symptoms relating to breast (N64.4-N64.5)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code R22.4?
ICD-10-CM code R22.4 represents "Localized swelling, mass and lump, lower limb". It is a non-billable header code — use a more specific child code for billing purposes.
Is R22.4 a billable code?
No, R22.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under R22.4.
What chapter is R22.4 in?
R22.4 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R22.4?
R22.4 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on diagnostic imaging (R90-R93); edema (R60.-); enlarged lymph nodes (R59.-); and 2 more.
What are the subcategories under R22.4?
R22.4 has 4 child codes, including: 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 are the UMLS CUIs for R22.4?
R22.4 is linked to 1 UMLS Concept Unique Identifier: C0476484. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.