ICD10BillableValid for clinical use
ICD-10 Code E22.8: Other hyperfunction of pituitary gland
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).
When is it used?
- May be used when a clinician documents other hyperfunction of pituitary gland in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E20-E35Disorders of other endocrine glands
category
E22Hyperfunction of pituitary gland
currentE22
Official coding notes
Inclusion terms
- Central precocious puberty
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
EndocrinologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 96402high
CHEMOTHERAPY ADMINISTRATION, SUBCUTANEOUS OR INTRAMUSCULAR; HORMONAL ANTI-NEOPLASTIC
Source: CMS coverage guidance
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 70470high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
CPT 36222high
SELECTIVE CATHETER PLACEMENT, COMMON CAROTID OR INNOMINATE ARTERY, UNILATERAL, ANY APPROACH, WITH ANGIOGRAPHY OF THE IPSILATERAL EXTRACRANIAL CAROTID CIRCULATION AND ALL ASSOCIATED RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDES ANGIOGRAPHY OF THE CERVICOCEREBRAL ARCH, WHEN PERFORMED
Source: CMS coverage guidance
CPT 36223high
SELECTIVE CATHETER PLACEMENT, COMMON CAROTID OR INNOMINATE ARTERY, UNILATERAL, ANY APPROACH, WITH ANGIOGRAPHY OF THE IPSILATERAL INTRACRANIAL CAROTID CIRCULATION AND ALL ASSOCIATED RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDES ANGIOGRAPHY OF THE EXTRACRANIAL CAROTID AND CERVICOCEREBRAL ARCH, WHEN PERFORMED
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 237816004high
Central precocious puberty
Source: SNOMED International ICD-10 map
SNOMED_CT 237680001high
Corticotroph hyperplasia
Source: SNOMED International ICD-10 map
SNOMED_CT 237673003high
FSH hypersecretion
Source: SNOMED International ICD-10 map
SNOMED_CT 237677002high
Gonadotroph hyperplasia
Source: SNOMED International ICD-10 map
SNOMED_CT 237671001high
Gonadotrophin hypersecretion
Source: SNOMED International ICD-10 map
SNOMED_CT 237817008high
Idiopathic central precocious puberty
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
E22.8
Common synonyms
Other hyperfunction of pituitary gland
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.