N-Telopeptide, Urine

Test ID: 

703056

CPT code:

82523, 82570

Synonyms:

•Collagen Cross-linked N-Telopeptide
•N-Telopeptide
•NTx Test
•Osteomark®

Clinical Use:

Evaluation of osteoporosis and assessment of antiresorptive therapy

Specimen Type:

Urine

Requested Volume: 

20 mL

Minimum Volume: 

1 mL

Container Type: 

Plastic urine container without preservative

Collection:

Collect a second void of the morning or an aliquot of a 24-hour urine (no preservative). When monitoring therapy, baseline samples should be collected prior to initiation of therapy. Subsequent specimens should be collected at the same time of day as baseline specimens.

Storage Instructions:

Refrigerate.

Rejection Criteria:

Quantity not sufficient for analysis; whole blood contamination; hemolysis; specimen containing preservative.