Valid for Submission
L66.9 is a billable diagnosis code used to specify a medical diagnosis of cicatricial alopecia, unspecified. The code L66.9 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code L66.9 might also be used to specify conditions or terms like cicatricial alopecia due to ionizing radiation, post-traumatic scar, radiation alopecia, scarring alopecia, scarring alopecia , scarring alopecia due to traumatic injury, etc.
Unspecified diagnosis codes like L66.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code L66.9 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Cicatricial alopecia due to ionizing radiation
- Post-traumatic scar
- Radiation alopecia
- Scarring alopecia
- Scarring alopecia
- Scarring alopecia due to traumatic injury
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|606||MINOR SKIN DISORDERS WITH MCC||09||1.511|
|607||MINOR SKIN DISORDERS WITHOUT MCC||09||0.8256|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
Convert L66.9 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code L66.9 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
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. If you take certain medicines or have chemotherapy for cancer, you may also lose your hair. Other causes are stress, a low protein diet, a family history, or poor nutrition.
Treatment for hair loss depends on the cause. In some cases, treating the underlying cause will correct the problem. Other treatments include medicines and hair restoration.
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