ICD-10-CM
ICD-10 code for Melasma adrenal (gland): E27.1
The ICD-10-CM index points "Melasma adrenal (gland)" to E27.1, Primary adrenocortical insufficiency. E27.1 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in E27
A header groups codes and is not billed. A billable code is one you can report.
- E27Other disorders of adrenal glandHeader
- E27.0Other adrenocortical overactivityBillable
- E27.1Primary adrenocortical insufficiencyBillable
- E27.2Addisonian crisisBillable
- E27.3Drug-induced adrenocortical insufficiencyBillable
- E27.4Other and unspecified adrenocortical insufficiencyHeader
- E27.40Unspecified adrenocortical insufficiencyBillable
- E27.49Other adrenocortical insufficiencyBillable
- E27.5Adrenomedullary hyperfunctionBillable
- E27.8Other specified disorders of adrenal glandBillable
- E27.9Disorder of adrenal gland, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
Related conditions
Related pages
- E27.1 code detailsNotes, nearby codes, CMS-HCC group
- Category E27Every code under it
- Chapter 4Endocrine, nutritional and metabolic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Melasma adrenal (gland)?
The ICD-10-CM index points "Melasma adrenal (gland)" to E27.1, Primary adrenocortical insufficiency. E27.1 is a billable code.
Is E27.1 billable?
Yes. E27.1 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to E27.1?
The CDC tabular list gives 4 Excludes1 notes (not coded together) for E27.1 and the categories above it. They are listed on this page.
What chapter is E27.1 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.