2026 ICD-10-CM Diagnosis Code L73.8Other specified follicular disorders

ICD-10-CM Codes›L00–L99›L60-L75›L73

ICD-10-CM L73.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L73.8 is a billable ICD-10-CM diagnosis code for other specified follicular disorders. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 606 through 607. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified inflammatory condition of skin.

Code Identity

ICD-10-CM Code
L73.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified follicular disorders
Short Description
Other specified follicular disorders
Same as the full description in the CMS dataset.
Parent Code
L73
Other follicular disorders

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL60-L75Disorders of skin appendages
CategoryL73Other follicular disorders
This CodeL73.8Other specified follicular disorders

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal keratinization of hair follicle
  • Acne with gram negative folliculitis
  • Actinic folliculitis
  • Acute folliculitis
  • Acute sycosis barbae
  • Demodex folliculitis
  • Dermatosis caused by follicle mite
  • Disseminate infundibulo-folliculitis
  • Follicular atrophoderma
  • Follicular atrophoderma and basal cell epitheliomata
  • Follicular hamartoma with alopecia and cystic fibrosis syndrome
  • Follicular keratosis
  • Follicular plugging
  • Folliculitis nares perforans
  • Fordyce spots of vulva
  • Gram-negative folliculitis
  • Haber's syndrome
  • Hair cast
  • Hair follicle nevus
  • Hamartoma of pilosebaceous apparatus
  • Impetigo follicularis
  • Infestation by Demodex
  • Infestation by Demodex folliculorum
  • Keratosis pilaris
  • Keratosis pilaris atrophicans
  • Lupoid sycosis
  • Lupoid sycosis of beard
  • Pili multigemini
  • Propionibacterium acnes folliculitis
  • Pruritic dermatitis
  • Pruritic folliculitis of pregnancy
  • Pruritus of pregnancy
  • Scalp folliculitis
  • Sebaceous gland duct dilatation
  • Sebaceous gland hypertrophy
  • Staphylococcal folliculitis of scalp
  • Superficial folliculitis caused by bacterium
  • Sycosis
  • Sycosis barbae
  • Sycosis cruris
  • Trichomalacia
  • Tufted folliculitis
  • Tufted hair growth
  • Ulerythema of cheeks
  • Ulerythema ophryogenes

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Sycosis barbae

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disease, diseased
      • hair (color) (shaft)
        • follicles
          • specified NEC
    • Disorder(of)
      • follicular (skin)
        • specified NEC
    • Sycosis
    • Sycosis
      • barbae (not parasitic)
    • Sycosis
      • lupoides
    • Sycosis
      • vulgaris
    • Ulerythema
      • sycosiforme

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR SKN002
Other specified inflammatory condition of skin
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Sycosis

    inflammation of hair follicles of the chin or beard region.

Patient EducationClinical

Skin Conditions

Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:

The full article covers:

  • What does your skin do?
  • What problems and conditions can affect your skin?
  • How can I keep my skin healthy?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert L73.8 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
704.8 Hair diseases NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About L73.8Overview

Is L73.8 (Other follicular disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified follicular disorders on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does L73.8 group to?

When other specified follicular disorders is the principal diagnosis on an inpatient stay, it groups to MS-DRG 606, 607, with relative weights from 0.9064 to 1.5132 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of L73.8?

Under the General Equivalence Mappings, other specified follicular disorders converts to ICD-9-CM 704.8 (hair diseases NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.