Purser Wellness approved rule
Unit: qualitative
Male: Negative
Female: Negative
How to read this marker
A negative result does not exclude UTI.
The wider testing context
Collection quality, hydration, exercise, menstruation, infection, and repeat persistence are central to interpretation.
Using this reference
This is the approved adult, nonpregnant baseline unless the rule explicitly states otherwise. Keep the performing laboratory’s reference interval separate from this Purser Wellness rule. Match units and review the specimen, method, timing, medicines and relevant clinical context before interpreting a result. These pages do not calculate a personal high/low status or prescribe treatment.
A question to bring to your visit
Which parts of the Nitrite rule apply to my report’s method, units and collection conditions, and what other findings should we review alongside it?
Approved by Dr. Daniel Purser, MD · PW-LABS-1.0. The source laboratory’s interval remains separate.
Names you may see
Nitrite