PORPHYRINS, SERUM TOTAL

Mnemonic

PORS

Specimen Collection Requirements

Collect

Serum, one 6 mL plain red top tube

Handling

CRITICAL - PROTECT FROM LIGHT during collection, storage, and shipment. Protect from light as soon as collected. Spin and pour off within 1 hour of collection.

Preferred Volume

2.0 mL

Minimum Volume

1.0 mL

Transport

Frozen, protected from light

Rejection Criteria

Not light protected, hemolyzed specimen, frozen whole blood, body fluids other than serum

Stability

AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month

Testing Information

Performed

Sun, Tue, Thu

Reported

2-7 days

Method

Scanning Fluorometry

Referral Lab

ARUP (80429)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

84311

Last Updated: Thursday, January 5, 2017 03:42:25 AM