Diagnosis Code

L66.9 CICATRICIAL ALOPECIA, UNSPECIFIED


Code Information

Diagnosis Code: L66.9

Short Description: Cicatricial alopecia, unspecified

Long Description: Cicatricial alopecia, unspecified

The code L66.9 is VALID for claim submission

Code Classification:

  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Disorders of skin appendages (L60-L75)
      • Cicatricial alopecia [scarring hair loss] (L66)
        • L66.9 Cicatricial alopecia, unspecified

Code Version: 2020 ICD-10-CM


Synonyms

  • Cicatricial alopecia due to ionizing radiation
  • Radiation alopecia
  • Scarring alopecia
  • Scarring alopecia due to traumatic injury

Diagnostic Related Group(s)

The code L66.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Minor Skin Disorders With Mcc (606)
  • Minor Skin Disorders Without Mcc (607)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
L66.9 Right Arrow 704.09 Alopecia NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
L66 Cicatricial alopecia [scarring hair loss]
L66.0 Pseudopelade
L66.1 Lichen planopilaris
L66.2 Folliculitis decalvans
L66.3 Perifolliculitis capitis abscedens
L66.4 Folliculitis ulerythematosa reticulata
L66.8 Other cicatricial alopecia


This page was last updated on: 10/1/2019