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Effective Jan. 5, 2026: Temporary Age-Based Visitor Restrictions at UNC Health for all inpatient and waiting areas throughout its inpatient hospitals.

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Porphyrias Algorithm

The following two algorithms are useful in identifying the most common porphyrias:

flow chart


flow chart





Reviewed by J. Carr on January 21, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514