2027 ICD-10-CM Diagnosis Code L73.1Pseudofolliculitis barbae
ICD-10-CM Codes›L00–L99›L60-L75›L73
- Billable — Valid for Submission
- Not Chronic
L73.1 is a billable ICD-10-CM diagnosis code for pseudofolliculitis barbae. 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. Coders also document this condition as pili incarnati. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Pili incarnati
- Pseudofolliculitis
- Pseudofolliculitis barbae
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L73.1: 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.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- 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.
- 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.
hair (beard) L73.1
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Hair Problems
The average person has 5 million hairs. Hair grows all over your body except on your lips, palms, and the soles of your feet. It takes about a month for healthy hair to grow half an inch. Most hairs grow for up to six years and then fall out. New hairs grow in their place.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L73.1 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L73.1Overview
What is the ICD-10 code for pseudofolliculitis barbae?
The ICD-10-CM code for pseudofolliculitis barbae is L73.1 (sometimes written as L731). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L73.1 (Other follicular disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report pseudofolliculitis barbae on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L73.1 group to?
When pseudofolliculitis barbae 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 L73.1 be reported with a code from Q84?
Not as a rule. The Excludes1 note at block L60-L75, which applies to L73.1, 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 L73.1?
Under the General Equivalence Mappings, pseudofolliculitis barbae converts to ICD-9-CM 704.8 (hair diseases NEC). The mapping is approximate, so confirm the match fits the documentation.
