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Test Code ESTRA Estradiol, serum

Additional Codes

LAB523

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top


Plasma:

  • Light Geen Top (Lithium heparin)

Reference or Target Ranges

Age

Male

Female

< 18 years

comment 1

comment 1

>18 years

≤ 39 pg/ml

comment 2

 

 

 

comment 1

 

Pediatric reference ranges have not been established by CPH laboratory services.

comment 2

 

follicular phase

19 - 144 pg/mL

mid-cycle

64 - 357 pg/mL

luteal phase

56 - 214 pg/mL

postmenopausal

≤ 31 pg/mL

Reportable Units

pg/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold 1000 mg/dL
Icterus Threshold 66 mg/dL
Lipemia Threshold 3000 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient 8 hours
Refrigerated (4°C to 8°C) 2 days
Frozen(-40°C to 0°C) 6 months

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas 

CPT Codes

82670

Last review/edit date

Feb 2024