ICD10

ICD-10 Code E20.8: Other hypoparathyroidism

E20.8 is an ICD-10 diagnosis entry used to group records related to Other hypoparathyroidism. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

đź“‹Clinical overview

This ICD-10 code is commonly used when documentation describes hypoparathyroidism or a related parathyroid-hormone deficiency or resistance disorder. The most accurate code depends on whether the record identifies idiopathic, pseudo-, autoimmune, secondary, secretion-related, other specified, or unspecified hypoparathyroidism.

When is it used?

  • May be used when a clinician documents other hypoparathyroidism in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

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.
  • This entry may represent a broader category rather than the most specific billable code.

🩺Clinical context

When commonly used
  • Endocrinology, primary-care, inpatient, and utilization-review workflows where hypocalcemia or parathyroid-hormone dysfunction is part of the active problem list.
  • Coding workflows where the chart identifies the mechanism of hypoparathyroidism, such as hormone resistance, autoimmune disease, impaired secretion, or another specified endocrine context.
Common management context
  • Evaluation often includes calcium, phosphorus, magnesium, vitamin D, and parathyroid hormone review, symptom assessment for tetany or paresthesias, and endocrine follow-up planning.
  • Documentation usually becomes more specific when the chart identifies idiopathic versus pseudo- versus autoimmune versus secondary hypoparathyroidism, or clarifies impaired secretion versus another specified mechanism.
  • Specialist context already linked on this page includes Endocrinologist, General Physician.

🔍Key distinctions

Important notes
  • This ICD-10 family captures hypoparathyroidism and related parathyroid-hormone deficiency or resistance patterns rather than hyperparathyroidism or unrelated calcium-balance disorders.
  • Mechanism detail, such as pseudo-, autoimmune, secondary, secretion-related, or unspecified pattern, drives the final code specificity inside this family.
  • Documentation that describes hypoparathyroidism is coded differently from hyperparathyroidism, vitamin-D disorders, or other endocrine causes of calcium imbalance.
Related codes to consider
E20.89Other specified hypoparathyroidism
Related hypoparathyroidism ICD-10 code; documentation often becomes more specific when the chart identifies idiopathic versus pseudo- versus autoimmune versus secondary pattern, impaired hormone secretion, or another endocrine context.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E20-E35Disorders of other endocrine glands
category
E20Hypoparathyroidism
currentE20

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

EndocrinologistGeneral Physician

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
E20.8
Replacement codes
E20.89 — Other specified hypoparathyroidism

Common synonyms

Other hypoparathyroidism

Frequently asked questions

Code details

CodeE20.8
SystemICD10
Display nameOther hypoparathyroidism
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockDisorders of other endocrine glands

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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.