Creatinine clearance

Alphabetical Test listing

Creatinine clearance-1054

  
Creatinine clearance
  
1054
  
82575.0
  
CRC
  
Urine, 24 hr and Lithium heparin (Li hep) plasma
  

24 hr urine collection container, no additive

and

Lt green plasma separator (PST)

  
Urine - 10mL aliquot of 24 hour urine collection
Li hep plasma - 1.0 mL
  
Urine - 10mL aliquot of 24 hour urine collection
Li hep plasma - 0.5 mL
  
  • How to collect a 24 hr urine sample
  • Li Heparin plasma sample must be drawn within ± 24 hours of the urine collection
    • Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting
  

Urine:

  1. Record patient's height & weight and total urine volume on the request form.
  2. Mix the sample well
  3. Aliquot 10mL into a Urine aliquot transport vial/tube - 10mL (AHL)
 
Lt green plasma separator (PST):
 
Spin within two (2) hours of sample collection

 
 
  
Urine aliquot transport vial/tube - 10mL (AHL) (preferred)
 
 
 
or
 
24 hour urine collection container
 
and
 
Lt green plasma separator (PST)
  
Serum
Sodium heparin (Na hep) plasma
EDTA plasma
  
Plasma/serum:
 
Gold serum separator (SST) tube
 
 
Dk green heparin (Li or Na), no gel
 
 
 
Lavender (EDTA), 4mL
 
 
  

Urine:

  1. Record patient's height & weight and total urine volume on the request form.
  2. Mix the sample well
  3. Aliquot 10mL into a Urine aliquot transport vial/tube - 10mL (AHL)
Plasma/serum:
 
Gold SST
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
Dk green/Lavender
  1. Spin
  2. Transfer plasma to a False bottom plasma/serum transport vial/tube (AHL), labelled as the appropriate plasma type, within two (2) hours of sample collection
  

Plasma/serum:

False bottom plasma/serum transport vial/tube (AHL)

  
Urine Without Preservative:
Refrigerated (preferred) - 6 days
Ambient - 2 days
Frozen - 6 months
 
Urine With Preservative:
Refrigerated (preferred) - 8 days
Ambient - 3 days
Frozen - 3 weeks
 
Blood:
Refrigerated (preferred) - 7 days
Ambient - 7 days
Frozen - 3 months
  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Kinetic - Jaffe (Kinetic Alkaline Picrate)

  
Adult Female: 66 - 165 mL/min/1.73 SqM
Adult Male: 66 - 163 mL/min/1.73 SqM
  
82575
  
11/30/2001
  
04/09/2024
  
04/07/2024