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Test ID: COCRU
Cortisol/Cortisone, Free, Random, Urine

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

88903

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.

CORTISOL

Males

0-2 years: 3.0-120 mcg/g creatinine

3-8 years: 2.2-89 mcg/g creatinine

9-12 years: 1.4-56 mcg/g creatinine

13-17 years: 1.0-42 mcg/g creatinine

> or =18 years: 1.0-119 mcg/g creatinine

Females

0-2 years: 3.0-120 mcg/g creatinine

3-8 years: 2.2-89 mcg/g creatinine

9-12 years: 1.4-56 mcg/g creatinine

13-17 years: 1.0-42 mcg/g creatinine

> or =18 years: 0.7-85 mcg/g creatinine

 

CORTISONE

0-2 years: 25-477 mcg/g creatinine

3-8 years: 11-211 mcg/g creatinine

9-12 years: 5.8-109 mcg/g creatinine

13-17 years: 5.4-102 mcg/g creatinine

18-29 years: 5.7-153 mcg/g creatinine

30-39 years: 6.6-176 mcg/g creatinine

40-49 years: 7.6-203 mcg/g creatinine

50-59 years: 8.8-234 mcg/g creatinine

60-69 years: 10-270 mcg/g creatinine

> or =70 years: 12-311 mcg/g creatinine

 

Use the conversion factors below to convert each analyte from mcg/g creatinine to nmol/mol creatinine:

 

Conversion factors

Cortisol: mcg/g creatinine x 413=nmol/mol creatinine

Cortisone: mcg/g creatinine x 415=nmol/mol creatinine

 

Cortisol molecular weight=362.5

Cortisone molecular weight=360.4

Creatinine molecular weight=149.59


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