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Test Code CTONIN Calcitonin, Serum

Reporting Name

Calcitonin, S

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

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


Specimen Required

Patient Preparation: 12 hours before this blood test do not take multivitamins or dietary supplements containing biotin or vitamin B7, which are commonly found in hair, skin, and nail supplements and multivitamins.

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.8 mL

Collection Instructions:

1. After draw immediately place specimen on ice.

2. Refrigerate specimen during centrifugation and immediately transfer serum to a plastic vial.

Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 90 days
  Refrigerated  24 hours
  Ambient  4 hours

Reference Values

Pediatric: (pg/mL)

1 month: ≤34

2 months: ≤31

3 months: ≤28

4 months: ≤26

5 months: ≤24

6 months: ≤22

7 months: ≤20

8 months: ≤19.0

9 months: ≤17.0

10 months: ≤16.0

11 months: ≤15.0

12-14 months: ≤14.0

15-17 months: ≤12.0

18-20 months: ≤10.0

21-23 months: ≤9.0

2 years: ≤8.0

3-9 years: ≤7.0

10-15 years: ≤6.0

16 years: ≤5.0



17 years and older:

Males: ≤14.3 pg/mL

Females: ≤7.6 pg/mL

Day(s) and Time(s) Performed

Monday through Friday; 5 a.m.-12 a.m.

Saturday; 6 a.m.-6 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
CATN Calcitonin, S 1992-7


Result ID Test Result Name Result LOINC Value
CATN Calcitonin, S 1992-7

Reject Due To


Mild OK; Gross reject


Mild OK; Gross OK





Method Name

Electrochemiluminescence Immunoassay

Secondary ID