MRN

Abbreviation Patient Preparation

Medical record number: a number the facility assigns to one patient; acceptable as one of the two required identifiers.

Sources

• National Patient Safety Goals Effective January 2026 for the Nursing Care Center Program (NPSG.01.01.01 EP 1-2, NPSG.07.01.01) · The Joint Commission
• Patient Safety Solutions, volume 1, solution 2: Patient Identification (May 2007) · WHO Collaborating Centre for Patient Safety Solutions / World Health Organization

Related terms

• ICD-10-CMThe diagnosis code set. The ordering provider supplies the code that supports a test's medical necessity; a…
• INRInternational normalized ratio: the prothrombin time put on a standard scale so results agree between labs…
• IVIntravenous: into a vein. Draw from the other arm when an IV is infusing, because IV fluid or medicine can…
• LDLLow-density lipoprotein, the "bad" cholesterol, reported in a lipid panel. Fast before the draw only when…
• NPINational Provider Identifier: a permanent 10-digit number assigned to each health care provider and used on…
• NPONothing by mouth (Latin nil per os): the patient may not eat or drink. Check the order before offering a…
• O&POva and parasites: a stool test for parasites and their eggs. Nothing else, such as urine, water or toilet…
• PTProthrombin time: a clotting test collected in a sodium citrate (light blue-top) tube and reported with the…

Study Patient Preparation

• Free Patient Preparation practice questions
• All Patient Preparation terms
• Venipuncture Sites, Veins and Sites to Avoid