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Test ID UE3 Estriol, Unconjugated, Serum

Useful For

A part of second trimester or cross-trimester biochemical screening for Down syndrome and trisomy 18 syndrome

 

A marker of fetal demise

 

An adjunct biomarker in the prenatal diagnosis of disorders of fetal steroid metabolism, including Smith-Lemli-Opitz syndrome (SLO)(3-4), and X-linked ichthyosis (placental sulfatase deficiency disorders)

 

Evaluating primary or secondary fetal adrenal insufficiency after excluding other rare single gene defects, including aromatase deficiency, 17 alpha-hydroxylase deficiency and/or various forms of congenital adrenal hyperplasia

Method Name

Immunoenzymatic Assay

Reporting Name

Estriol, Unconjugated, S

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 0.6 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  90 days

Reference Values

Males: <0.07 ng/mL

Females: <0.08 ng/mL

 

For SI unit Reference Values, see https://www.mayocliniclabs.com/order-tests/si-unit-conversion.html

Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.-12 a.m.

Saturday; 9 a.m.-5 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82677

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UE3 Estriol, Unconjugated, S 2250-9

 

Result ID Test Result Name Result LOINC Value
UE3 Estriol, Unconjugated, S 2250-9

Test Classification

This test has been cleared, approved or is exempt by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

NY State Approved

Yes