Postvasectomy Sperm Evaluation, Qualitative

CPT: 89321
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  • Semen Analysis, Postvasectomy

Expected Turnaround Time

Within 1 day

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Specimen Requirements




Entire ejaculate

Minimum Volume

The laboratory will attempt to analyze any specimen volume submitted.


Clean, no additive container; nonspermicidal condom is acceptable.


Collect seminal fluid by masturbation only. Collect entire ejaculate into the specimen container. Avoid the use of lubricants and other contaminants. Avoid temperature extremes during transportation. Abstinence from ejaculation: Two to seven days prior to collection.

Storage Instructions

Transport specimens to the laboratory at ambient temperatures (20°C to 37°C). Do not refrigerate or freeze.

Stability Requirements



Room temperature

72 hours (stability provided by manufacturer or literature reference)


Unstable (stability provided by manufacturer or literature reference)


Unstable (stability provided by manufacturer or literature reference)

Freeze/thaw cycles

Unstable (stability provided by manufacturer or literature reference)

Patient Preparation

No special preparation.

Causes for Rejection

Refrigerated specimens; frozen specimens; specimens greater than 72 hours from collection; samples collected in spermicidal condoms

Test Details


Complete absence of sperm in this test is considered a negative result. Incomplete ejaculation and/or incomplete collection of total ejaculate may cause false-negative results.


Macroscopic and microscopic semen examination


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
519020 Post-Vas Sperm Evaluation,Qual 519014 Volume mL 3160-9
519020 Post-Vas Sperm Evaluation,Qual 519018 Post-Vas Sperm, Qual 29990-9

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