ICD10BillableValid for clinical use
ICD-10 Code E34.2: Ectopic hormone secretion, not elsewhere classified
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 ectopic hormone secretion, not elsewhere classified 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
E34Other endocrine disorders
currentE34
Official coding notes
Excludes1 (do not code together)
- ectopic ACTH syndrome (E24.3)
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 78351high
BONE DENSITY (BONE MINERAL CONTENT) STUDY, 1 OR MORE SITES; DUAL PHOTON ABSORPTIOMETRY, 1 OR MORE SITES
Source: CMS coverage guidance
CPT 78350high
BONE DENSITY (BONE MINERAL CONTENT) STUDY, 1 OR MORE SITES; SINGLE PHOTON ABSORPTIOMETRY
Source: CMS coverage guidance
CPT 0556Thigh
BONE STRENGTH AND FRACTURE RISK USING FINITE ELEMENT ANALYSIS OF FUNCTIONAL DATA AND BONE-MINERAL DENSITY UTILIZING DATA FROM A COMPUTED TOMOGRAPHY SCAN; ASSESSMENT OF BONE STRENGTH AND FRACTURE RISK AND BONE-MINERAL DENSITY
Source: CMS coverage guidance
CPT 0557Thigh
BONE STRENGTH AND FRACTURE RISK USING FINITE ELEMENT ANALYSIS OF FUNCTIONAL DATA AND BONE-MINERAL DENSITY UTILIZING DATA FROM A COMPUTED TOMOGRAPHY SCAN; INTERPRETATION AND REPORT
Source: CMS coverage guidance
CPT 0555Thigh
BONE STRENGTH AND FRACTURE RISK USING FINITE ELEMENT ANALYSIS OF FUNCTIONAL DATA AND BONE-MINERAL DENSITY UTILIZING DATA FROM A COMPUTED TOMOGRAPHY SCAN; RETRIEVAL AND TRANSMISSION OF THE SCAN DATA
Source: CMS coverage guidance
CPT 0554Thigh
BONE STRENGTH AND FRACTURE RISK USING FINITE ELEMENT ANALYSIS OF FUNCTIONAL DATA AND BONE-MINERAL DENSITY UTILIZING DATA FROM A COMPUTED TOMOGRAPHY SCAN; RETRIEVAL AND TRANSMISSION OF THE SCAN DATA, ASSESSMENT OF BONE STRENGTH AND FRACTURE RISK AND BONE-MINERAL DENSITY, INTERPRETATION AND REPORT
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 237829004high
Ectopic ACTH secretion
Source: SNOMED International ICD-10 map
SNOMED_CT 95835004high
Ectopic aldosterone secretion
Source: SNOMED International ICD-10 map
SNOMED_CT 74411000high
Ectopic antidiuretic hormone secretion
Source: SNOMED International ICD-10 map
SNOMED_CT 95836003high
Ectopic calcitonin production
Source: SNOMED International ICD-10 map
SNOMED_CT 95831008high
Ectopic growth hormone secretion
Source: SNOMED International ICD-10 map
SNOMED_CT 1381722001high
Ectopic human chorionic gonadotropin secretion
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
E34.2
Common synonyms
Ectopic hormone secretion, not elsewhere classified
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.