AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2024 Issue 1; Ask the Editor

Hypothalamic Pituitary Adrenal Axis Insufficiency

The provider documented that the patient has hypothalamic pituitary adrenal (HPA) axis insufficiency. The patient’s HPA axis insufficiency is treated with chronic corticosteroids. When referencing the Alphabetic Index for adrenal insufficiency one arrives at code E27.40, Unspecified adrenocortical insufficiency. Does code E27.40 alone describe this condition since HPA axis insufficiency involves interaction between the hypothalamus, the pituitary gland, and adrenal glands? Since ICD-10-CM does not have a unique code for this, what diagnosis code(s) should be assigned for HPA axis insufficiency? ...

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