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N-TELOPEPTIDE, CROSS-LINKED, URINE

Mnemonic

NTX

Synonym

N-Telopeptide - NTX

Guidelines

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

Specimen Collection Requirements

Collect

Urine, sterile urine container or 24-hour urine container

Handling

Aliquot from a well-mixed second-morning void or a 24-hour collection. Specimen must be refrigerated during collection. Collect without preservative.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Frozen

Rejection Criteria

Specimens contaminated with blood or having extensive hemolysis

Stability

Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 years

Testing Information

Performed

Tue - Sat

Reported

1-4 days

Method

Chemilluminescent Immunoassay

Referral Lab

ARUP (70062)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

82523

Last Updated: Thursday, January 5, 2017 03:41:28 AM


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