Methodology
Enhanced Chemiluminescence
Synonyms
N-Telopepetide; NTx
Specimen Type
Urine, Timed Collection
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB4104
Lab Test Days
4 Days a week; A.M.
Standard TAT
4-7 Days
Collection Information
Specimen Required
2 mL Urine
Container Type
24-Hour Urine Container
Collection Instructions
Do not use preservatives. Acidified specimen is not acceptable. Keep refrigerated during collection. Discard the first morning void. Collect the voids during a 24-hour period afterward. Mix well.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 72 Hours; Refrigerated: 5 Days; Frozen: 30 Days
Rejection Criteria
Received room temp; Acidified specimen; Preserved specimen
Test Volume Required
2 mL
Minimum Test Volume
1 mL
Processing Instructions
Record 24-hour urine volume and collection duration in comments.
Included Tests
Creatinine
Comments
Record 24-hour urine volume and collection duration in comments.
CPT Codes
82523, 82570
Revised
08-15-13
Initials
SL