Lab Test

Post Vasectomy Check

Test Codes

Antrim #20325, EPIC: LAB5157, SOFT: POSTV


  • Farmington Hills & Troy Specimens: Post vasectomy checks must be prescheduled with the Appointment Center. Call 800-328-8542 to schedule appointment for drop off.
  • Outreach Specimens: Drop specimen off at doctor's office for pickup by Outreach courier.

Specimen Collection Criteria

Collect: 3.0 mL seminal fluid in a sterile collection container. (Minimum: 1.0 mL)

Physician Office/Draw Specimen Preparation

Maintain specimens at room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: 3.0 seminal fluid, at room temperature (20-26°C or 68-78.8°F). (Minimum: 1.0 mL)

Rejection Criteria

  • Insufficient volume.
  • Specimens not collected and processed as indicated.


Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 24 hours
Refrigerated (2-8°C or 36-46°F): Unacceptable
Frozen (-20°C/-4°F or below): Unacceptable 

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 7 days


Farmington Hills Hematology Laboratory
Royal Oak Hematology Laboratory
Troy Hematology Laboratory


Farmington Hills & Troy
Monday – Friday, Day Shift.
Results available within 24 hours.

Monday – Saturday.
Results available within 24 hours.

Reference Range


Test Methodology

Manual Microscopy.


Following a vasectomy, no sperm should be present in seminal fluid. Presence of sperm can indicate that the procedure was not successful and may result in an unplanned pregnancy.

The presence of sperm will also vary from the length of time since the vasectomy. If only one week has elapsed since procedure was performed, you may expect to still see sperm. If 6 months has elapsed since vasectomy and sperm are still seen, suspect an incomplete procedure.

Clinical Utility

This test is performed only to indicate the presence or absence of sperm following a vasectomy procedure.

CPT Codes



Last Updated


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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.