Norepinephrine

Optimal result: 20 – 108 mcg/g Cr

Norepinephrine is one of the catecholamines measured in the Catecholamines, Fractionated, Random Urine test.

Norepinephrine, also known as noradrenaline, is a hormone and neurotransmitter produced by the adrenal glands, as well as certain nerve cells (neurons) in the sympathetic nervous system. It plays a crucial role in the body's "fight or flight" response, helping to prepare the body for action by increasing heart rate, constricting blood vessels, and raising blood pressure.

Norepinephrine is one of the catecholamines measured in the Catecholamines, Fractionated, Random Urine test.

Norepinephrine, also known as noradrenaline, is a hormone and neurotransmitter produced by the adrenal glands, as well as certain nerve cells (neurons) in the sympathetic nervous system. It plays a crucial role in the body's "fight or flight" response, helping to prepare the body for action by increasing heart rate, constricting blood vessels, and raising blood pressure.

Measuring norepinephrine levels in a random urine sample can provide valuable information about the functioning of the sympathetic nervous system and can help diagnose various medical conditions. The reference range for norepinephrine levels in a random urine sample can vary depending on the laboratory and the units used for measurement. Typically, it is reported in micrograms per gram of creatinine (μg/g Cr).

Your healthcare provider may order a catecholamines random urine test to assess norepinephrine levels if they suspect conditions such as pheochromocytoma, paraganglioma, or other disorders related to catecholamine production and regulation. The test results can help in the diagnosis and management of these conditions.

Norepinephrine
Healthmatters dashboard showing biomarker trend graph

Every lab result you’ve ever had, charted and explained.

Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.

Start with my report →
Beyond Norepinephrine — 10,000+ markers explained
One Norepinephrine result tells you where you are. Your history tells you where you’re heading. Upload your past lab reports and see this marker — and every marker on them —every marker charted against your own lab’s ranges.
Start with this report →
Healthmatters timeline preview showing biomarker trends over time
Clinical Sources & References

All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.

Article Review Log
Written by Healthmatters Editorial Team
Healthmatters Lifetime Plan

Pay $250. Track your health forever

One payment. No renewals. Yours for life.

10,000+ biomarkers explained · trends over time

See other plans →
Secure checkout via Stripe · GDPR & HIPAA
We accept results from any lab
LabCorp Quest Diagnostics Genova Diagnostics DUTCH Test Doctor's Data Vibrant America ZRT Laboratory Cyrex Labs + any other lab

What members are saying

★★★★★ 10,000+ happy members
★★★★★

"Watching my numbers move over the years — instead of forgetting last time's results — completely changed how I manage my health."

Daniel
Member since 2022
★★★★★

"Living across several countries made keeping my lab results organized a real challenge. Healthmatters brought my results from the USA, Spain, and Germany together — 20 years of history, with long-term trends instead of scattered reports."

Ben
Member since 2021 · tracks across countries
★★★★★

"Standard lab ranges are too wide for how I practice — 'normal' isn't optimal. I set my own bands, so a client sees yellow before a marker goes officially out of range. That's the conversation I want to be having."

Dr. Alexandra
Functional medicine · 6 yrs on Pro