ICD-10-CM 2027
ICD-10 code for hyperfunction
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Hyperfunction”. Page updated September 29, 2026.
About coding hyperfunction
The official ICD-10-CM index doesn't give a single default code for hyperfunction; the code depends on the details below.
More specific hyperfunction codes (official index)
- adrenal cortex, not associated with Cushing's syndrome E27.0 — Other adrenocortical overactivity
- medulla E27.5 — Adrenomedullary hyperfunction
- adrenomedullary E27.5 — Adrenomedullary hyperfunction
- virilism E25.9 — Adrenogenital disorder, unspecified
- congenital E25.0 — Congenital adrenogenital disorders associated with enzyme deficiency
- ovarian E28.8 — Other ovarian dysfunction
- pancreas K86.89 — Other specified diseases of pancreas
- parathyroid (gland) E21.3 — Hyperparathyroidism, unspecified
- pituitary (gland) (anterior) E22.9 — Hyperfunction of pituitary gland, unspecified
- specified NEC E22.8 — Other hyperfunction of pituitary gland
- polyglandular E31.1 — Polyglandular hyperfunction
- testicular E29.0 — Testicular hyperfunction
Common questions about hyperfunction ICD-10 codes
What is the ICD-10 code for ovarian hyperfunction?
- E28.8 — Other ovarian dysfunction.
What is the ICD-10 code for pancreas hyperfunction?
- K86.89 — Other specified diseases of pancreas.
What is the ICD-10 code for parathyroid hyperfunction?
- E21.3 — Hyperparathyroidism, unspecified.
What is the ICD-10 code for pituitary hyperfunction?
- E22.9 — Hyperfunction of pituitary gland, unspecified.
What is the ICD-10 code for polyglandular hyperfunction?
- E31.1 — Polyglandular hyperfunction.
What is the ICD-10 code for testicular hyperfunction?
- E29.0 — Testicular hyperfunction.