R22.1 Localized swelling, mass and lump, neck

Billable ICD-10-CM code, FY2026.

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

Includes

• subcutaneous nodules (localized)(superficial)

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 782.2 Localized superficial swelling, mass, or lump (approximate)
• 784.2 Swelling, mass, or lump in head and neck (approximate)

Diagnosis Index entries for R22.1

• Mass › localized (skin) › neck
• Mass › neck
• Swelling (of) › localized (skin) › neck
• Swelling (of) › neck (localized)

Nearby codes

• R22 Localized swelling, mass and lump of skin and subcutaneous tissue
• R22.0 Localized swelling, mass and lump, head
• R22.1 Localized swelling, mass and lump, neck (this code)
• R22.2 Localized swelling, mass and lump, trunk
• R22.3 Localized swelling, mass and lump, upper limb
• R22.30 Localized swelling, mass and lump, unspecified upper limb
• R22.31 Localized swelling, mass and lump, right upper limb
• R22.32 Localized swelling, mass and lump, left upper limb