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Tubular Reabsorption of Phosphate (TRP)

Test Code:

BC0096X

Synonym(s):

 

Specimen Container

Gel separator tube (Adult)
Microtube (Paeds)
Wide mouth sterile container (Urine)

Specimen Requirement

Plain Blood
Adult: 5 mL
Paediatric: 1.3 mL

Urine
Urine Creatinine - 10 mL (Second void morning urine specimen)
Urine Phosphate - 10 mL (Second void morning urine specimen)

Please note that concentrations of phosphate in blood and urine generally increase after a meal. Blood (serum) specimen should be drawn after at least 8 hours of fasting if possible. Second void morning urine specimen should be collected and sent together with blood specimen to the laboratory as soon as possible.

Specimen Storage / Transport

Method

 

Orderable as STAT?

No

Turn Around Time

Reference Value(s)

Creatinine
Phosphate
Urine Creatinine
Urine Phosphate

Reference intervals for Tmp/GFR  

Age Male (mmol/L) Female (mmol/L)
0 day to <3 months 1.48 - 3.43
3 months to <6 months 1.48 - 3.30
6 months to <2 years 1.15 - 2.60
2 years to <18 years 1.15 - 2.44
18 years to <40 years 1.00 - 1.35 0.96 - 1.44
40 years to <60 years 0.90 - 1.35 0.88 - 1.42
60 years and above 0.80 -1.35

Testing Laboratory Location

KKH

Laboratory

Clinical Chemistry​

Contact Number

6394 1383

Day and Time Performed

Daily, 24 hrs

Orderable on CPOE?

Yes

Additional Information

Change History Notes

Others

Keywords

Tubular Reabsorption of Phosphate (TRP) TMP/GFR BC0096X
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