Sign in →

Test ID BLOD1418 Y Chromosome Microdeletions, Molecular Detection

Useful For

Evaluating men with azoospermia, severe oligozoospermia, or otherwise unexplained male factor infertility

Method Name

Polymerase chain reaction (PCR) is used to test DNA for the presence of microdeletions of the Y chromosome (region AZFa, AZFb, and AZFc).

Reporting Name

Y Microdeletion

Specimen Type

Varies


Specimen Required


Specimen Type: Whole blood

Container/Tube:

Preferred: Lavender top (EDTA) or yellow top (ACD)

Acceptable: Any anticoagulant

Specimen Volume: 3 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send specimen in original tube.

Additional Information: Specimen preferred to arrive within 96 hours of draw.


Specimen Stability Information

Specimen Type Temperature Time
Varies Ambient (preferred)
  Frozen 
  Refrigerated 

Reject Due To

Note: No specimen should be rejected. If specimen not received at appropriate temperature or in wrong anticoagulant, include note to laboratory. If questions, contact laboratory.

Day(s) and Time(s) Performed

Friday; 2 p.m.

Analytic Time

5 days

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

81403-DAZ/SRY (deleted in azoospermia and sex determining region Y) (eg, male infertility), common deletions (eg, AZFa, AZFb, AZFc, AZFd)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
YMCRO Y Microdeletion In Process

 

Result ID Test Result Name Result LOINC Value
53364 Result Summary 50397-9
53365 Result In Process
53366 Interpretation In Process
53367 Specimen In Process
53368 Source 31208-2
53369 Released By No LOINC Needed

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Forms

1. New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.

2. Molecular Genetics: Congenital Inherited Diseases Patient Information (T521) in Special Instructions