Cross-Linked N-telopeptide, Urine




Test Mnemonic

UNTX2

CPT Codes

  • 82523 - QTY (1)

Aliases

  • NTX, Urine

Includes

  • X-link N-Telopeptide

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 mLSecond-morning void urineClean container RefrigeratedFasting urine is required

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mL     

Stability

Environmental Condition Description
Ambient1 day
Refrigerated7 days
Frozen14 days (Avoid repeated freeze/thaw cycles)

Days Performed

Thu

Turnaround Time

1 - 7 days

Methodology

Name Description
Enzyme Immunoassay (EIA) 

Reference Range

Cross-Linked N-telopeptide, Urine
Sex Age From Age To Type Range Range Unit
Male      Normal3.0 to 63.0 nM BCE/mM creatinin
Female      Normal5.0 to 65.0 nM BCE/mM creatinin

Special Info

Second morning fasting urine is required.

Clinical Info

Evaluation of osteoporosis and other catabolic states of bone.