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Methodology: Radioimmunoassay (RIA)
Edit Date: 3/4/2008
Performed: Monday, Wednesday
Released: 3-8 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 83519-90
Specimen Collection Details
Collection: Two chilled 4 mL lavender top tubes (EDTA). Patient must be fasting.
Handling: Centrifuge and separate plasma from cells and pour into a plastic vial. Freeze. Patient’s age required.
Standard Volume: 3 mL plasma.
Minimum Volume: 0.35 mL plasma.
Transport: Frozen on dry ice.
Rejection Criteria: Thawing specimen, gross hemolysis, or lipemia.

0-19 years not established
20-29 years <228 pg/mL
30-39 years <249 pg/mL
40-49 years <270 pg/mL
50-59 years <291 pg/mL
60-69 years <312 pg/mL
70-79 years <332 pg/mL
>=80 years not established

PeaceHealth Laboratories