E27.2 Addisonian crisis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Adrenal crisis
• Adrenocortical crisis

Risk adjustment (HCC)

• CMS-HCC V22: HCC 23 — Other Significant Endocrine and Metabolic Disorders
• RxHCC V08: HCC 43 — Pituitary, Adrenal Gland, and Other Endocrine and Metabolic Disorders
• ESRD V24: HCC 23

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 255.41 Glucocorticoid deficiency (approximate)

Code annotations containing back-references to E27.2

Back-references to E27

• Code First: G63 Polyneuropathy in diseases classified elsewhere ("endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)")

Diagnosis Index entries for E27.2

• Addisonian crisis
• Collapse › adrenal
• Crisis › addisonian
• Crisis › adrenal (cortical)
• Shock › adrenal (cortical) (Addisonian)

Nearby codes

• E27 Other disorders of adrenal gland
• E27.0 Other adrenocortical overactivity
• E27.1 Primary adrenocortical insufficiency
• E27.2 Addisonian crisis (this code)
• E27.3 Drug-induced adrenocortical insufficiency
• E27.4 Other and unspecified adrenocortical insufficiency
• E27.40 Unspecified adrenocortical insufficiency
• E27.49 Other adrenocortical insufficiency
• E27.5 Adrenomedullary hyperfunction