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Mayo Clinic Laboratories

Test Code 4010476 Direct Bilirubin

Specimen Requirements

1.0 mL serum or lithium heparin plasma
NOTE: Serum/plasma should be separated from cells within 2 hours of collection.  Protect from light.

Container

PST (light green top) tube or SST (tiger, gold, or red top) tube

Minimum Volume

70 µL serum plasma

Stability

8 hours at room temperature, 7 days at 2-8°C
May be frozen at -20°C for up to 6 months

Analytical Time

Same day
Available stat

Sample Retention Time

7 days

Method

Photometry

CPT Code

82248

Performing Laboratory

Springfield Hospital Laboratory

Reject Due To

Improperly labeled sample