2027 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 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 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
- Generalized hypotrichosis
- 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 of scalp
- Hypotrichosis of temporal region
- 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
- Progressive alopecia
- Progressive hypotrichosis
- 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
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L65.9: its own notes plus those printed at L65, 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.
- Alopecia NOS
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.-)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name L65.9, its category, or a range that includes it.
Use Additional Code 1
These codes say to use an additional code from the note, and L65.9 is one of the codes named.
- D89.81 Graft-versus-host diseasehair loss (L65.9)
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.
Clinical InformationClinical
Alopecia
absence of hair from areas where it is normally present.
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
What is the ICD-10 code for nonscarring hair loss, unspecified?
The ICD-10-CM code for nonscarring hair loss, unspecified is L65.9 (sometimes written as L659). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
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, 2026 through September 30, 2027.
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 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.
Can L65.9 be reported with F63.3?
Not as a rule. The Excludes1 note at L65, which applies to L65.9, lists "trichotillomania (F63.3)". 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).
