Collagen Cross-Linked, 24-Hour Urine

Overview

  • EPIC Code:
  • LAB2555
  • Soft Test Code:
  • NTP24
  • Send Out Test Code:
  • 36421
Alternate Names
  • Collagen Cross Linked
  • NTX 24 hr urine
  • NTX 24hr Urine Collagen X
  • Urine N-Telopeptide
Included Tests

Collagen X-Link; Creatinine, Urine


Clinical Significance

Test is most specific for bone resorption (bone loss).


Specimen Collection & Preparation

Specimen Requirements

2.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container


Alternate Specimen


TransportAndStorage

72 hours Ambient
5 days Refrigerated (transport)
30 days Frozen


Collection Instructions

1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container. 
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container. 
4. Urine Specimen should be kept refrigerated during and after collection. 

Printable Patient Collection Instructions

English 24 Hour Urine Collection

Spanish 24 Hour Urine Collection 

Burmese 24 Hour Urine Collection

Arabic 24 Hour Urine Collection 


Minimum Volume

1.0 mL


Neonatal Volumne

Clinical Interpretation

Reference Range:

Refer to Interpretive Results


Methodology:
  • Chemiluminescence (CL)

Clinical Significance

Test is most specific for bone resorption (bone loss).


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Sendouts - Clinical
Turn Around Time

3 to 7 days


Coding & Compliance

CPT Coding

82523, 82570


Medical Necessity May Apply