Is ICD-10-CM code R22 billable?

No, R22 (Localized swelling, mass and lump of skin and subcutaneous tissue) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code R22 belong to?

R22 belongs to Chapter 18 of the ICD-10-CM tabular list: R00–R99 (Symptoms, Signs and Abnormal Clinical and Laboratory Findings).

R22Not billable, use a more specific code below

Localized swelling, mass and lump of skin and subcutaneous tissue

In Symptoms and signs involving the skin and subcutaneous tissue (R20-R23), chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings

12 billable codes under R22: none are a CC or MCC; none map to an HCC.

Instructional notes

Includes: conditions that are coded here

subcutaneous nodules (localized)(superficial)

Excludes1: not coded here, use a different code

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

Also applies, from Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

These notes sit on R20-R23 and apply to every code under it, including R22.

Excludes2: not included here, code separately if applicable

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

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers when to report symptom, sign, and abnormal finding codes (R00-R99), plus specific rules for falls, coma scales, non-infectious SIRS, death NOS, and NIHSS scores.

Use of symptom codes (page 75)
Use of a symptom code with a definitive diagnosis code (page 75)
Combination codes that include symptoms (page 75)
Repeated falls (page 76)
Coma (page 76)
Functional quadriplegia (page 76)
SIRS due to Non-Infectious Process (page 77)
Death NOS (page 77)

Read Section I.C.18 (page 75), 1 more topics

All codes under R22

R22 can't be used on a claim. Pick a billable code below; grey headings group them.

R22 MS-DRGs

As the principal diagnosis, all 12 billable codes under R22 group to MS-DRG 606 or 607 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to R22

Notes on these codes point to R22.

G71.038 Includes: LGMD R22 collagen 6-related

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.