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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Th/To Antibody

Test Code(s): MISC / RMISC

CPT Code(s): 83516

Testing Site: Testing will be sent to an approved reference laboratory.

Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red top
Also Acceptable: Lavender top

Collection Volume: Preferred: 9 mL
Pediatrics: 2 mL

Sample Analyzed: Serum

Volume Required: Preferred: 2 mL
Pediatrics: 0.5 mL

Stability: Ambient: 72 hrs
Refrigerated: 75 days
Frozen: 12 months


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