| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
PH, URINE
Test CodeLAB1464
Quest Code
16698
CPT Codes
81003
Preferred Specimen
10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Minimum Volume
Preserved: 3 mL
Unpreserved: 1 mL
Unpreserved: 1 mL
Other Acceptable Specimens
Yellow/red swirl-topped conical transport tube with preservative • 3 mL unpreserved urine cup
Instructions
Encourage mid-stream samples to minimize contamination and improve accuracy. Label the sample appropriately and store at room temperature until pick-up.
Transport Container
Yellow-top, blue fill line urinalysis transport tube
Transport Temperature
Preserved: Room temperature
Pediatric: Refrigerated (cold packs)
Pediatric: Refrigerated (cold packs)
Specimen Stability
Preserved urine
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable
Unpreserved urine
Refrigerated: 24 hours
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable
Unpreserved urine
Refrigerated: 24 hours
Methodology
Reagent Impregnated Strips
Setup Schedule
Mon-Sat
Reference Range
5.0-8.0
Clinical Significance
Certain dietary conditions can produce acid or alkaline urines, which can be useful in treatment of some calculi.
Performing Laboratory
| Quest Diagnostics-Lenexa |
| 10101 Renner Blvd |
| Lenexa, KS 66219-9752 |
Last Updated: August 13, 2021
