AHA Coding Clinic® for ICD-9 - 2006 Issue 2; Ask the Editor
Late Effect of Parasitic Worm Invasion of Brain
This patient presented with a personal history of parasitic (worm) invasion of brain. This was obtained from eating uncooked pork when he lived in Mexico. The worm is dead but he is suffering from the after effect, severe headaches. How should this encounter be coded? ...
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Article Overview
This premium article addresses coding for a patient encounter involving a remote parasitic worm invasion of the brain with ongoing after effects. It is aimed at coders who need to understand how to report the current condition and the residual/late-effect diagnosis in an ICD diagnosis coding context.
Why This Topic Matters
Late-effect encounters can require separate reporting of the present symptom or condition and the residual condition from the earlier disease process. Correctly identifying the applicable diagnosis coding approach helps avoid coding an active infection when only after effects remain.
What You Will Learn
- How the article approaches coding a late-effect encounter
- How the current symptom or condition is distinguished from the past infection-related condition
- How residual/after-effect diagnosis reporting is framed in an ICD coding scenario
- When the article indicates that the original infestation is not reported as active
Who Should Read This
- Medical coders
- Coding educators
- Billing staff
- Compliance professionals
Codes Discussed
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