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HelpTest ID YMCRO Y Chromosome Microdeletions, Molecular Detection, Varies
Useful For
Evaluating men with azoospermia, severe oligozoospermia, or otherwise unexplained male factor infertility
Genetics Test Information
Tests for the presence of microdeletions in the AZFa, AZFb, and AZFc regions of the Y chromosome.
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 MicrodeletionSpecimen Type
VariesShipping Instructions
Specimen preferred to arrive within 96 hours of draw.
Specimen Required
Patient Preparation: A previous bone marrow transplant from an allogenic donor will interfere with testing. Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant.
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.
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Ambient (preferred) | ||
| Frozen | |||
| Refrigerated | |||
Day(s) Performed
Friday
Report Available
5 to 10 daysPerforming Laboratory
Mayo Clinic 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 | 35456-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 53364 | Result Summary | 50397-9 |
| 53365 | Result | 82939-0 |
| 53366 | Interpretation | 69047-9 |
| 53367 | Specimen | 31208-2 |
| 53368 | Source | 31208-2 |
| 53369 | Released By | 18771-6 |
NY State Approved
YesSpecial Instructions
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 US Food and Drug Administration.Forms
1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available in Special Instructions:
-Informed Consent for Genetic Testing (T576)
-Informed Consent for Genetic Testing-Spanish (T826)
2. Molecular Genetics: Congenital Inherited Diseases Patient Information (T521) in Special Instructions
Specimen Minimum Volume
1 mL