| Field Name |
Data Description |
| Test Name |
Estriol |
| Code |
Estriol Level. |
|
CPT Code |
82677 |
| Last Modified |
4/18/2018 3:50:00 PM |
| Test Name |
Estriol. |
| Synonyms |
E3, Unconjugated Estriol,pregnancy |
| Patient Preparation |
Patient usually in third trimester of pregnancy |
| Spec. Requirements |
Blood |
| Tube |
Gold or Red |
| Collection Volume |
3.0 mL Gold or 4.0 mL Red |
| Storage |
Refrigerate,Ambient or Frozen 14 days |
| Routine TAT |
|
| STAT TAT |
N/A |
| Days Test Performed |
|
| Performed by BHS |
None |
| See Availability |
|
| Reference Lab |
LabCorp of America |
| Reference Lab Code |
004614 Estriol |
| Clinical Use |
Evaluate fetal distress and placental function in the management of patients facing complications such as pre- eclampsia, fetal growth retardation, diabetes, Rh immunization, choriocarcinoma, and hydatidiform mole. May be elevated in hydrops fetalis in the presence of a dying fetus. May be low in the presence of a living anencephalic fetus. |
| Reference Range |
|
| Critical Value |
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
 |
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
Component |
|
|
Reference Range |
|
|
Critical Value |
|
|
|
| Testing Sample Type |
Serum |
| Min Lab Testing Volume |
0.2 mL |
| Special Handling |
Collection:If a red-top tube is used, transfer separated serum to a plastic transport tube. All specimens should be drawn at the same time of day to allow comparison of values. |
| Lab Notes |
State weeks of gestation on the test request form. This assay is usually performed as a serial measurement. |
| Methodology |
ICMA |
| Limitations |
Single values are almost impossible to interpret; trends in a series of measurements are much more important. May be low in case of placental sulfatase deficiency in the presence of a healthy baby. Other causes of decreased estriol levels include subjects living at high altitudes, anemia, severe liver disease, and a variety of drugs. Estriol may be increased with multiple pregnancyand with oxytocin. It is not reliable in the presence of renal disease.
Causes for Rejection: Plasma specimen |
