Final answer:
Transferring a urine sample to a referral laboratory allows for diagnostic analysis to identify any abnormalities, measure substances, and determine pH levels, which can help in diagnosing and monitoring various health conditions.
Step-by-step explanation:
The purpose of transferring 10mL of urine from a 24hr specimen into a special tube to be sent to a referral laboratory is for diagnostic analysis. This includes identifying any abnormalities in the urine such as the presence of proteins, glucose, bacteria, or crystals, all of which can indicate health issues. Moreover, the urine sample could be analyzed to measure various substances, determine the pH level, and assess the kidneys' concentrating ability. Laboratories perform these tests to diagnose and monitor conditions or diseases that may affect the patient's health.