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Test Code Z0900 Estriol, Unconjugated, Serum

Additional Codes

Mayo Test ID
UE3

Reporting Name

Estriol, Unconjugated, S

Useful For

As an adjunct biomarker in the prenatal diagnosis of disorders of fetal steroid metabolism, including Smith-Lemli-Opitz syndrome (1,2) 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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


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 www.mayocliniclabs.com/order-tests/si-unint-conversion.html

Day(s) Performed

Monday through Friday

Test Classification

This test has been cleared, approved, or is exempt by the US 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.

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

Report Available

1 to 3 days

Method Name

Immunoenzymatic Assay