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Test ID: RTRPP
Tubular Reabsorption of Phosphorus, Random

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

88546

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

TUBULAR REABSORPTION OF PHOSPHORUS

>80%

(Although, tubular reabsorption of phosphorus levels must be interpreted in light of the prevailing plasma phosphorus and glomerular filtration rate.)

 

TUBULAR MAXIMUM PHOSPHORUS REABSORPTION/GLOMERULAR FILTRATION RATE (TmP/GFR)

2.6-4.4 mg/dL (0.80-1.35 mmol/L)

 

PHOSPHORUS (INORGANIC)

Males

1-4 years: 4.3-5.4 mg/dL

5-13 years: 3.7-5.4 mg/dL

14-15 years: 3.5-5.3 mg/dL

16-17 years: 3.1-4.7 mg/dL

> or =18 years: 2.5-4.5 mg/dL

Reference values have not been established for patients that are <12 months of age.

Females

1-7 years: 4.3-5.4 mg/dL

8-13 years: 4.0-5.2 mg/dL

14-15 years: 3.5-4.9 mg/dL

16-17 years: 3.1-4.7 mg/dL

> or =18 years: 2.5-4.5 mg/dL

Reference values have not been established for patients that are <12 months of age.

 

CREATININE

Males

12-24 months: 0.1-0.4 mg/dL

3-4 years: 0.1-0.5 mg/dL

5-9 years: 0.2-0.6 mg/dL

10-11 years: 0.3-0.7 mg/dL

12-13 years: 0.4-0.8 mg/dL

14-15 years: 0.5-0.9 mg/dL

> or =16 years: 0.8-1.3 mg/dL

Reference values have not been established for patients that are <12 months of age.

Females

12-36 months: 0.1-0.4 mg/dL

4-5 years: 0.2-0.5 mg/dL

6-8 years: 0.3-0.6 mg/dL

9-15 years: 0.4-0.7 mg/dL

> or =16 years: 0.6-1.1 mg/dL

Reference values have not been established for patients that are <12 months of age.


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