The phrase "a laboratory analysis" is correct and usable in written English.
It can be used when referring to an examination or investigation conducted in a lab setting, typically involving scientific or medical testing.
Example: "The doctor recommended a laboratory analysis to determine the cause of the symptoms."
Alternatives: "a lab test" or "a lab examination."
Without a laboratory analysis, it is hard to tell.
Veterinarians collected samples of the dead pigs, but it was unclear how long a laboratory analysis would take.
The Food and Drug Administration regulates genetic and diagnostic tests that are sold as kits and whose tests can be performed either in a home or a doctor's office, without a laboratory analysis.
For its study, The Times ordered two pieces of Kindai tuna from the Midtown Megu in October, and a laboratory analysis showed that they contained mercury at levels of 0.79 and 0.87 parts per million.
Dyer, Douglas, John H. Kagel, and Dan Levin, "A Comparison of Naive and Experienced Bidders in Common Value Offer Auctions: A Laboratory Analysis," Economic Journal, 99, 108-115.
A laboratory analysis identified the active ingredient in the pesticide as thiodicarb, classified as "moderately hazardous" by the World Health Organization in 2009.
This is an important measure for any laboratory analysis.
Anthropometric parameters were measured; patients performed a 24 h urine collection to quantify residual diuresis and underwent a complete laboratory analysis.
It could be used with a variety of raw meats and processed food samples and is easily applicable in a routine laboratory analysis without specific sophisticated equipment.
But others, those who were part of a new market that government officials were calling "medical tourists," could now combine their Asian holiday with a comprehensive physical, including abdominal ultrasound, chest and barium stomach X-rays and a complete laboratory analysis of blood, urine and stool samples.
A routine laboratory analysis was performed on fresh serum of patients with inflammatory myopathies.
