E27: Other disorders of adrenal gland
Codes under E27 (Other disorders of adrenal gland). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E27.0 | Other adrenocortical overactivity | ✓ |
| E27.0 | Other adrenocortical overactivity | ✓ |
| E27.1 | Primary adrenocortical insufficiency | ✓ |
| E27.1 | Primary adrenocortical insufficiency | ✓ |
| E27.2 | Addisonian crisis | ✓ |
| E27.2 | Addisonian crisis | ✓ |
| E27.3 | Drug-induced adrenocortical insufficiency | ✓ |
| E27.3 | Drug-induced adrenocortical insufficiency | ✓ |
| E27.4 | Other and unspecified adrenocortical insufficiency | — |
| E27.4 | Other and unspecified adrenocortical insufficiency | — |
| E27.5 | Adrenomedullary hyperfunction | ✓ |
| E27.5 | Adrenomedullary hyperfunction | ✓ |
| E27.8 | Other specified disorders of adrenal gland | ✓ |
| E27.8 | Other specified disorders of adrenal gland | ✓ |
| E27.9 | Disorder of adrenal gland, unspecified | ✓ |
| E27.9 | Disorder of adrenal gland, unspecified | ✓ |
| E27.40 | Unspecified adrenocortical insufficiency | ✓ |
| E27.40 | Unspecified adrenocortical insufficiency | ✓ |
| E27.49 | Other adrenocortical insufficiency | ✓ |
| E27.49 | Other adrenocortical insufficiency | ✓ |
Frequently asked questions
What is ICD-10-CM code E27?
E27 is an ICD-10-CM category covering Other disorders of adrenal gland. It contains 20 more specific diagnosis codes, 18 of which are billable.
Is E27 a billable code?
No — E27 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E27.0 — Other adrenocortical overactivity). 18 of the 20 codes under E27 are billable.
What codes fall under E27?
E27 includes E27.0, E27.0, E27.1, E27.1, E27.2, plus 15 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free