AHA Coding Clinic® for ICD-9 - 2004 Issue 1; Ask the Editor
Hyperhomocysteinemia
A patient is being sent to the lab for a lipid panel exam. The physician documents hyperhomocysteinemia. How would this encounter be coded? ...
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Article Overview
This short coding article addresses an encounter involving a lab order and a documented diagnosis of hyperhomocysteinemia. It is aimed at medical coders and billing staff who need to understand the relevant ICD-9-CM indexing context and how the topic is treated in the source guidance.
Why This Topic Matters
It helps readers determine whether the article is relevant when assigning diagnosis codes for a documented metabolic disorder in an ICD-9-CM setting.
What You Will Learn
- How the article frames coding for a documented diagnosis in an ICD-9-CM context.
- What indexing context is discussed for the condition.
- How the encounter is presented at a high level for coding review.
- How the source connects the documented term to the coding reference structure.
Who Should Read This
- Medical coders
- Billing staff
- Coding auditors
- Revenue cycle staff
Codes Discussed
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