E27.1: Primary adrenocortical insufficiency
E27.1 is a billable, specific ICD-10-CM code for primary adrenocortical insufficiency. It is valid for submission on a claim.
Check E27.1 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Addison's disease
- Autoimmune adrenalitis
Risk adjustment
E27.1 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 51 Addison's and Cushing's Diseases, Acromegaly, and Other Specified Endocrine Disorders0.510 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
E27.1 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57326Billing and Coding: Electrocardiograms
- A57361Billing and Coding: Monitored Anesthesia Care
- A59186Billing and Coding: Magnesium
Alphabetic index entries that lead here
- Addison's›disease or syndrome(bronze)
- Adrenalitis, adrenitis›autoimmune
- Disease, diseased›bronze Addison's
- Hypoadrenalism, hypoadrenia›primary
- Hypoadrenocorticism›primary
- Melanosis›addisonian
- Melanosis›adrenal
- Melanosis›suprarenal
- Melasma›adrenal(gland)
- Melasma›suprarenal(gland)
- Atrophy, atrophic›adrenal›primary(autoimmune)
- Atrophy, atrophic›suprarenal›primary
Code history
Unchanged in every release from FY2024 to FY2027.