2026 ICD-10-CM Diagnosis Code L65.9Nonscarring hair loss, unspecified
ICD-10-CM Codes›L00–L99›L60-L75›L65
- Billable — Valid for Submission
- Not Chronic
L65.9 is a billable ICD-10-CM diagnosis code for nonscarring hair loss, unspecified. 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 and unspecified skin disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Alopecia
- Alopecia due to iron deficiency
- Alopecia due to thyroid disorder
- Alopecia due to underlying disease
- Alopecia localis
- Alopecia, onychodysplasia, hypohidrosis, deafness ectodermal dysplasia
- Anagen hair easily plucked
- Atrichia
- Chronic diffuse alopecia
- Congenital hypotrichia
- Diffuse alopecia
- Diffuse loss of scalp hair
- Disorder of ornithine metabolism
- Endocrine alopecia
- Failure of hair growth
- Follicular hamartoma with alopecia and cystic fibrosis syndrome
- Frostbite alopecia
- Global developmental delay, alopecia, macrocephaly, facial dysmorphism, structural brain anomalies syndrome
- Hair changes due to malnutrition
- Hair easily plucked
- Hamartoma of pilosebaceous apparatus
- Hereditary hypotrichosis with recurrent skin vesicles syndrome
- Hypogonadotropic hypogonadism with frontoparietal alopecia syndrome
- Hypotrichosis
- Hypotrichosis and deafness syndrome
- Hypotrichosis with keratosis pilaris
- Lack of beard growth
- Loss of axillary hair
- Loss of body hair
- Loss of frontal scalp hair
- Loss of hair
- Loss of pubic hair
- Loss of scalp hair
- Non-scarring alopecia
- Nutritional alopecia
- Partial failure of hair growth
- Partial loss of hair
- Patchy loss of scalp hair
- Perniola Krajewska Carnevale syndrome
- Peroneal alopecia
- Premature loss of scalp hair
- Primary hypergonadotropic hypogonadism and partial alopecia syndrome
- Skin changes due to malnutrition
- Temporal hair recession
- Vitamin D-dependent rickets
- Vitamin D-dependent rickets type II with alopecia
- Vitamin D-dependent rickets, type 2
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Alopecia NOS
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Alopecia (hereditaria) (seborrheica) - L65.9
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Alopecia(hereditaria) (seborrheica)
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Hypotrichosis
presence of less than the normal amount of hair. (dorland, 27th ed)Alopecia
absence of hair from areas where it is normally present.Alopecia Areata
loss of scalp and body hair involving microscopically inflammatory patchy areas.Mucinosis, Follicular
a disease of the pilosebaceous unit, presenting clinically as grouped follicular papules or plaques with associated hair loss. it is caused by mucinous infiltration of tissues, and usually involving the scalp, face, and neck. it may be primary (idiopathic) or secondary to mycosis fungoides or reticulosis.Hypotrichosis
a congenital condition, usually due to genetic aberrations, that is characterized by a lack of hair growth on the head and/or body.Roberts-SC Phocomelia Syndrome|Hypomelia Hypotrichosis Facial Hemangioma Syndrome|Phocomelia-Pseudothalidomide Syndrome|Pseudothalidomide Syndrome|SC Phocomelia Syndrome
a rare genetic syndrome with an autosomal recessive pattern of inheritance. it is caused by a mutation in the esco2 gene. clinical signs at birth include multiple limb and facial abnormalities. it is considered to be a mild variant of roberts syndrome.
Patient EducationClinical
Hair Loss
You lose up to 100 hairs from your scalp every day. That's normal, and in most people, those hairs grow back. But many men -- and some women -- lose hair as they grow older. You can also lose your hair if you have certain diseases, such as thyroid problems, diabetes, or lupus.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L65.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L65.9Overview
Is L65.9 (Other nonscarring hair loss) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report nonscarring hair loss, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does L65.9 group to?
When nonscarring hair loss, unspecified 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 L65.9?
Under the General Equivalence Mappings, nonscarring hair loss, unspecified converts to ICD-9-CM 704.00 (alopecia NOS). 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.
