Sign in →

Test Code CATN Calcitonin, Serum

Important Note

For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).

 After collection, place specimen on ice and send to the lab immediately.

Additional Codes

Epic Ordering Code LAB519
NBS code LBC13331
Service code 31867

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.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following immediately:
Preferred: Gold Top
Acceptable: Red Top
Processing Requirements
Centrifuge at 4°C and aliquot serum into a plastic vial. Freeze immediately.
Specimen type: Serum
Volume: 1 mL
Storage/transport requirements: Frozen

Forms

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

Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 90 days
  Refrigerated  24 hours
  Ambient  8 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Method Name

Electrochemiluminescence Immunoassay

Day(s) Performed

Monday through Saturday

Report Available

1 to 3 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

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.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.

CPT Code Information

82308

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

Secondary ID

9160

Test Classification

This test has been cleared, approved, or is exempt by the US 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.
National University Hospital-Singapore Additional Information:

Last updated 06/07/2026