2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L73.8 is a billable ICD-10-CM diagnosis code for other specified follicular disorders. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) 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
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
  • Fordyce's disease
  • 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
  • Trichomalacia
  • Tufted folliculitis
  • Tufted hair growth
  • Ulerythema of cheeks
  • Ulerythema ophryogenes

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L73.8: its own notes plus those printed at block L60-L75 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Sycosis barbae

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block L60-L75 Disorders of skin appendages applies to 85 codes
  • congenital malformations of integument (Q84.-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 12 (L00-L99) Diseases of the skin and subcutaneous tissue applies to 1,001 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About L73.8Overview

What is the ICD-10 code for other specified follicular disorders?

The ICD-10-CM code for other specified follicular disorders is L73.8 (sometimes written as L738). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

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, 2026 through September 30, 2027.

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 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.

Can L73.8 be reported with a code from Q84?

Not as a rule. The Excludes1 note at block L60-L75, which applies to L73.8, lists "congenital malformations of integument (Q84.-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

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.