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HelpTest Code ESTRA Estradiol, serum
Additional Codes
LAB523
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Gold Top SST
Specimen Type
Preferred
- Serum- Gold Top SST or Red Top
Acceptable
- Plasma- Light Green Top (Lithium heparin)
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 24 hours |
| Refrigerated (4°C to 8°C) | 2 days |
| Frozen(-40°C to 0°C) | 6 months |
Reference or Target Ranges
|
Age |
Male |
Female |
|
< 18 years |
Reference Range Not Established | Reference Range Not Established |
|
>18 years |
≤ 39 pg/ml |
comment 1 |
|
comment 1 |
|
|
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 | 1000 mg/dL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
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
2025