AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2023 Issue 4; New/Revised ICD-10-CM Codes
Autosomal Dominant Hypocalcemia and Hypoparathyroidism
Code E20.8 has been expanded by the creation of a new subcategory E20.81, Hypoparathyroidism due to impaired parathyroid hormone secretion, with specific codes to identify autosomal dominant hypocalcemia and various types of hypoparathyroidism as follows:• E20.810, Autosomal dominant hypocalcemia • E20.811, Secondary hypoparathyroidism in diseases classified elsewhere • E20.812, Autoimmune hypoparathyroidism • E20.818, Other specified hypoparathyroidism due to impaired parathyroid hormone secretion • E20.819, Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified • E20.89, Other specified hypoparathyroidism Autosomal dominant hypocalcemia is commonly abbreviated as ADH and is a genetic disorder of...
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Article Overview
This article reviews a coding update in ICD-10-CM affecting hypoparathyroidism and autosomal dominant hypocalcemia, along with a clinical overview of the condition and its common associations, symptoms, and treatment focus. It is useful for coders, clinicians, and revenue cycle staff who need to understand the diagnosis category, its place in the code structure, and the general context for documentation review.
Why This Topic Matters
The update changes how this diagnosis family is represented in ICD-10-CM and helps ensure documentation is matched to the correct diagnostic category within the expanded code structure.
Article Sections
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ICD-10-CM code update
Overview of the code set revision and the expanded diagnostic grouping discussed in the article.
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Autosomal dominant hypocalcemia overview
General background on the condition, including its genetic basis, prevalence, and broad clinical context.
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Clinical features and complications
Broad discussion of symptoms, affected body systems, associated laboratory findings, and common complications.
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Diagnosis, course, and treatment
General information on age of presentation, disease course, and treatment approaches.
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Coding example
A brief coding-oriented example showing how the diagnosis is identified in a sample patient scenario.
What You Will Learn
- How the diagnosis family is organized within ICD-10-CM
- What general clinical features are associated with autosomal dominant hypocalcemia
- What kinds of treatment approaches are commonly discussed for this condition
- How the article frames a sample diagnosis scenario for coding review
Who Should Read This
- Medical coders
- Coding auditors
- Clinicians documenting endocrine diagnoses
- Revenue cycle professionals
Codes Discussed
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