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Orderable Name OSCAL Osteocalcin, Serum

Additional Codes

CNE Order Code: Osteocalcin

Useful For

Monitoring and assessing effectiveness of antiresorptive therapy in patients treated for osteopenia, osteoporosis, Paget disease, or other disorders in which osteocalcin levels are elevated

 

As an adjunct in the diagnosis of medical conditions associated with increased bone turnover, including Paget disease, cancer accompanied by bone metastases, primary hyperparathyroidism, and renal osteodystrophy

 

This test is not useful for the diagnosis of osteoporosis.

Specimen Type

Serum


Specimen Required


Patient Preparation:

1. Fasting (12 hours)

2. For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

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: Centrifuge and aliquot serum into plastic vial.


Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  90 days
  Ambient  72 hours

Reference Values

Males

<5 years: 19-75 ng/mL

5-9 years: 21-108 ng/mL

10-15 years: 19-159 ng/mL

16-17 years: 12-114 ng/mL

≥18 years: 9-42 ng/mL

 

Females

<5 years: 14-126 ng/mL

5-9 years: 16-152 ng/mL

10-15 years: 15-151 ng/mL

16-17 years: 9-70 ng/mL

≥18 years: 9-42 ng/mL

Day(s) Performed

Monday through Saturday

CPT Code Information

83937

Report Available

1 to 3 days

Reject Due To

 
Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Method Name

Electrochemiluminescence Immunoassay (ECLIA)