Test Id : FFES
Estradiol Free, Serum (includes Estradiol and SHBG)
Method Name
A short description of the method used to perform the test
Liquid chromatography tandem mass spectrometry (LC/MS/MS); equilibrium dialysis; immunoradiometric assay (IRMA)
NY State Available
Indicates the status of NY State approval and if the test is orderable for NY State clients.
Reporting Name
Lists a shorter or abbreviated version of the Published Name for a test
Aliases
Lists additional common names for a test, as an aid in searching
Estradiol, Free, Serum
Free Estradiol, Serum
Specimen Type
Describes the specimen type validated for testing
Serum Red
Specimen Required
Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Draw blood in a plain red-top tube (serum gel tube is acceptable). Spin down, pour off into plastic vial within 45 minutes of collection, and send 3 mL serum frozen.
Specimen Minimum Volume
Defines the amount of sample necessary to provide a clinically relevant result as determined by the testing laboratory. The minimum volume is sufficient for one attempt at testing.
1.0 mL Note: This volume does not allow for repeat testing.
Reject Due To
Identifies specimen types and conditions that may cause the specimen to be rejected
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | Plasma |
Specimen Stability Information
Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Frozen (preferred) | 180 days | |
| Ambient | 48 hours | ||
| Refrigerated | 48 hours |
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.
Estradiol, Serum
Age Range
Newborn
Levels are markedly elevated at birth and fall
Males <6 m
Levels increase to 10 - 32 between 30 and 60
Females <1 y
Levels increase to 5.0 - 50 between 30 and 60
Prepubertal <15
Adult Males 8.0 - 35
Adult Females
Follicular 30 - 100
Luteal 70 - 300
Postmenopausal <15
Free Estradiol, Percent
Age Range
Adult Males 1.7 - 5.4
Adult Females 1.6 - 3.6
Free Estradiol, Serum
Units: pg/mL
Age Range
Adult Males 0.2 - 1.5
Adult Females 0.6 - 7.1
Sex Hormone Binding Globulin
Age Range
Infants (1 - 23m) 60.0 - 252
Prepubertal 72.0 - 220
Pubertal
Males 16.0 - 100
Females 36.0 - 125
Adult
20 - 49 y 16.5 - 55.9
>49y 19.3 - 76.4
Adult Females
20 – 49y 24.6 - 122.0
>49y 17.3 - 125.0
PDF Report
Indicates whether the report includes an additional document with charts, images or other enriched information
Day(s) Performed
Outlines the days the test is performed. This field reflects the day that the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time before the test is performed. Some tests are listed as continuously performed, which means that assays are performed multiple times during the day.
Varies
Report Available
The interval of time (receipt of sample at Mayo Clinic Laboratories to results available) taking into account standard setup days and weekends. The first day is the time that it typically takes for a result to be available. The last day is the time it might take, accounting for any necessary repeated testing.
Performing Laboratory Location
Indicates the location of the laboratory that performs the test
Fees :
Several factors determine the fee charged to perform a test. Contact your U.S. or International Regional Manager for information about establishing a fee schedule or to learn more about resources to optimize test selection.
- Authorized users can sign in to Test Prices for detailed fee information.
- Clients without access to Test Prices can contact Customer Service 24 hours a day, seven days a week.
- Prospective clients should contact their account representative. For assistance, contact Customer Service.
Test Classification
Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR) product.
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
CPT Code Information
Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.
CPT codes are provided by the performing laboratory.
CPT codes are provided by the performing laboratory.
82681 – Free Estradiol
84270 - Sex Hormone binding globulin
82670 - Estradiol
LOINC® Information
Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and results codes of this test. LOINC values are provided by the performing laboratory.
| Test Id | Test Order Name | Order LOINC Value |
|---|---|---|
| FFES | Free Estradiol with SHBG | Not Provided |
| Result Id | Test Result Name |
Result LOINC Value
Applies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
|
|---|---|---|
| Z0228 | Free Estradiol, Percent | 14960-9 |
| Z0229 | Free Estradiol, Serum | 2240-0 |
| Z0230 | Sex Hormone Binding Globulin (SHBG) | 13967-5 |
| Z0259 | Estradiol, Serum | 35384-7 |