Is E27.4 a billable ICD-10-CM code?

No. E27.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does E27.4 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of other endocrine glands (E20-E35).

What cannot be coded together with E27.4?

E27.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

E27.4

E27.4 — Other and unspecified adrenocortical insufficiency

Non-billable headerICD-10-CM

E27.4 is a non-billable header ICD-10-CM code for other and unspecified adrenocortical insufficiency. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

adrenoleukodystrophy [Addison-Schilder] (E71.528)
Waterhouse-Friderichsen syndrome (A39.1)

Risk adjustment

E27.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead E27.4

2 child codes. Green means billable.

Related codes at this level

Codes that share E27. If E27.4 is not quite right, the correct code is usually one of these.

Questions about E27.4

Is E27.4 a billable ICD-10-CM code?: No. E27.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does E27.4 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of other endocrine glands (E20-E35).
What cannot be coded together with E27.4?: E27.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.