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A B C D E F G H I J K L M N O P Q

Test Identifier Information

 
Registration CodeCALC
Method

Roche immunoelectrochemiluminometric assay (Cobas e411 analyser)

Diagnostic Use / Indications

Tumour marker for medullary thyroid carcinoma (MTC) either sporadic or familial, pre and post op. Not recommended as a screening test for patients because of cost and infrequency of MTC with solitary or dominant thyroid nodules.

External Price$90.00(Exclusive of GST)
  

Specimen Collection

 
Pre-Testing Requirements

If patient is on high dose Biotin therapy (>5 mg/day), wait until at least 8 hours after last dose to take blood sample. 

Specimen Collection Protocols

Place sample tube in water/ slushy ice mixture immediately after blood collection and send to laboratory. Sample is to be separated and aliquoted as soon as possible and the aliquot frozen within 4 hours of collection.

Patient SpecimenBlood 4.5ml,Heparin(Green),Plain(Red), EDTA(Lav)
Sample Delivery to LabSample tube in water/ slushy ice mixture.
  

Instructions for Referral to CHLabs

 
Aliquot Instructions>0.5 mL plasma or serum. Freeze within 4 hours of collection.
Aliquot Transport to CHLFrozen
  

CHLabs Laboratory

 
DepartmentEndocrinology Laboratory
Contact Details Email Email
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Contact Phone Number(03) 3640886 | x80886
Test Availabilityweekly
Turnaround TimeUp to 10 days
Reference Interval

<6 months = 0-40 ng/L

6 months -3 years = 0-15 ng/L

3 years - adult (female) = 0-6 ng/L

3 years - adult (male) = 0-10 ng/L

Childhood data from ClinChem 50(10);1828: 2004

Interpretation

Consult an Endocrinologist or Chemical Pathologist for further information.

Uncertainty of Measurement

18% for > 2.8 ng/L

0.5ng/L < 2.8 ng/L

Additional Information

On 9 February 2015 the Calcitonin method and reference interval changed to the Roche method. Results show good agreement with the previous Immulite method from LabPlus, Auckland (send-away test).

Delphic Number Test Number5786

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