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TEST ID CATN Calcitonin, Serum

Reporting Name

Calcitonin, S

Specimen Type

Serum


Specimen 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

Method Name

Electrochemiluminescence Immunoassay

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

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

Report Available

1 to 3 days

Specimen Retention Time

2 weeks

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82308

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.

Useful For

Aids in the diagnosis and follow-up of medullary thyroid carcinoma

 

Aids in the evaluation of multiple endocrine neoplasia type II and familial medullary thyroid carcinoma

 

This test is not useful for evaluating calcium metabolic diseases.