Test Code NTXU N-Telopeptide, Urine

Important Note

For monitoring therapy, a baseline specimen should be collected prior to initiation of therapy. Subsequent specimens for comparison should be collected at the same time of day as the baseline specimen.

Additional Codes

70062

Methodology

Chemiluminescent Immunoassay

Specimen Type

Random or 24 hour urine

Preferred Collection Container

Sterile Cup or 24 hour urine container

Collection Volume

1 mL aliquot of well mixed random or 24 hour urine collection

Minimum Collection Volume

0.5 mL

Collection Instructions

Second-morning void or 24-hour urine. Refrigerate during collection. Collect without preservative.

Transport

Refrigerated

Rejection Criteria

Specimens contaminated with blood or extensive hemolysis

Specimen Storage and Stability

Ambient: 24 hours; Refrigerated: 1 week; Frozen: 4 weeks

Turn Around Time

2-5 days

Lab Department

Referred Testing

Test Alias

70062; NTX; Collagen Crosslinks; Cross-Linked N-Telopeptide; Crosslinked N-telopeptide of Type I Collagen, N-telopeptide, Urine; NTx; Osteomark

CPT Coding

82523

EPIC Code

LAB816

Acceptable Collection Container