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HelpTest Code CATN Calcitonin, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. After collection, immediately place specimen on ice.
2. Refrigerate specimen during centrifugation and immediately transfer serum to a plastic vial.
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 90 days | |
| Refrigerated | 24 hours | ||
| Ambient | 8 hours |
Reference Values
Pediatric
1 month: ≤34 pg/mL
2 months: ≤31 pg/mL
3 months: ≤28 pg/mL
4 months: ≤26 pg/mL
5 months: ≤24 pg/mL
6 months: ≤22 pg/mL
7 months: ≤20 pg/mL
8 months: ≤19.0 pg/mL
9 months: ≤17.0 pg/mL
10 months: ≤16.0 pg/mL
11 months: ≤15.0 pg/mL
12-14 months: ≤14.0 pg/mL
15-17 months: ≤12.0 pg/mL
18-20 months: ≤10.0 pg/mL
21-23 months: ≤9.0 pg/mL
2 years: ≤8.0 pg/mL
3-9 years: ≤7.0 pg/mL
10-15 years: ≤6.0 pg/mL
16 years: ≤5.0 pg/mL
Adults
17 years and older:
Males: ≤14.3 pg/mL
Females: ≤7.6 pg/mL
For International System of Units (SI) conversion for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html.
Day(s) Performed
Monday through Saturday
CPT Code Information
82308
Report Available
1 to 3 daysSpecimen Retention Time
2 weeksReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |