Opioids
(OPI)

Sample type

Urine (random)

Uses

• Treatment of pain, usually moderate to severe

• Preoperative sedation

• Postoperative analgesia and surgical and medical emergencies including myocardial infarction, trauma, burns, orthopedic pain

• Management of chronic pain associated with cancer

• Antitussive and antidiarrheal agent

• Detoxification and maintenance therapy of opiate addicts

Precautions

• Collect urine in a plastic urine container without preservative.

• Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Interfering factors

Add salt to the urine sample

Heavy bleeding.

Specimens exposed to repeated freeze/thaw cycles.

Pre-analytical errors

Collect urine in preservative container

The corrective action

The sample must be rejected and another sample will be requested.

Post-analytical errors

1- Write another patient’s name in the report

The corrective action

Make sure you write the correct name in the report

2-Writing a wrong result in the report

The corrective action

If the report is not delivered to the patient and this error is discovered the correct result must be written, but if the report is delivered to the patient must communicate with him and tell him that an error has occurred and replace with the ciorrect report

Reference range