ICD10BillableValid for clinical use
ICD-10 Code E89.3: Postprocedural hypopituitarism
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 postprocedural hypopituitarism 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
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)
category
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified
currentE89
Official coding notes
Inclusion terms
- Postirradiation hypopituitarism
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
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classifiedcategoryE89.0Postprocedural hypothyroidismcodeE89.1Postprocedural hypoinsulinemiacodeE89.2Postprocedural hypoparathyroidismcodeE89.4Postprocedural ovarian failurecategoryE89.5Postprocedural testicular hypofunctioncodeE89.6Postprocedural adrenocortical (-medullary) hypofunctioncodeE89.8Other postprocedural endocrine and metabolic complications and disorderscategory
Sibling codes
E89Postprocedural endocrine and metabolic complications and disorders, not elsewhere classifiedE89.0Postprocedural hypothyroidismbillableE89.1Postprocedural hypoinsulinemiabillableE89.2Postprocedural hypoparathyroidismbillableE89.4Postprocedural ovarian failureE89.5Postprocedural testicular hypofunctionbillableE89.6Postprocedural adrenocortical (-medullary) hypofunctionbillableE89.8Other postprocedural endocrine and metabolic complications and disorders
Coverage-related procedures and services
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
CPT 36228high
SELECTIVE CATHETER PLACEMENT, EACH INTRACRANIAL BRANCH OF THE INTERNAL CAROTID OR VERTEBRAL ARTERIES, UNILATERAL, WITH ANGIOGRAPHY OF THE SELECTED VESSEL CIRCULATION AND ALL ASSOCIATED RADIOLOGICAL SUPERVISION AND INTERPRETATION (EG, MIDDLE CEREBRAL ARTERY, POSTERIOR INFERIOR CEREBELLAR ARTERY) (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 90182005high
Hypophysectomy-induced hypopituitarism
Source: SNOMED International ICD-10 map
SNOMED_CT 14900002high
Hypopituitarism due to radiotherapy
Source: SNOMED International ICD-10 map
SNOMED_CT 721288009high
Hypopituitarism following procedure
Source: SNOMED International ICD-10 map
SNOMED_CT 1360081003high
Immunotherapy induced hypophysitis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
E89.3
Common synonyms
Postprocedural hypopituitarism
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.