MCMedicalCodingSoftware
L21.1

L21.1: Seborrheic infantile dermatitis

Billable / specific codeICD-10-CM

L21.1 is a billable, specific ICD-10-CM code for seborrheic infantile dermatitis. It is valid for submission on a claim.

Check L21.1 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above L21.1

Not part of this code, but both may be coded when both are present.

Written on L21: Seborrheic dermatitis

  • infective dermatitis (L30.3)
  • seborrheic keratosis (L82.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Leiner's disease
  • Erythroderma›desquamativum
  • Dermatitis›seborrheic›infantile
  • Eczema›infantile›intertriginous
  • Eczema›infantile›seborrheic
  • Eczema›intertriginous NEC›infantile
  • Seborrhea, seborrheic›dermatitis›infantile
  • Seborrhea, seborrheic›eczema›infantile

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under L21

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.