N-TELOPEPTIDES/CREATININE, 24 HOUR

Test Documentation
Components
Includes N-Telopeptide/Creatinine Ratio

Specimen Required
Discard first morning urine void. Collect urine voids for the next 24 hour period. Mix well and send 5 mL urine (1 mL minimum) frozen in an IATA-approved screw-capped plastic urine container. Record total volume on test requisition and specimen label.

Methodology
Calculation/Colorimetric

Stability
Room Temperature: 72 hours; Refrigerated: 5 days; Frozen: 30 days

Reference Range
18-29 years:   5-88 nmol BCE/mmol creat  
30-39 years:   7-51 nmol BCE/mmol creat  
40-49 years:   5-47 nmol BCE/mmol creat  
50-60 years:   6-43 nmol BCE/mmol creat  
Creatinine: By report

Performed
Tuesday, Thursday, Saturday

Turnaround Time5-7 days
Test CodeNTELQ
CPT-4 Code (s)
82523, 82570
LOINC Codes
Creatinine   2162-6  
N-Telopeptide (NTx) 24, U   21216-7  
Volume   3167-4  

Warde
Medical
Laboratory