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Uric Acid
Blood
Uric Acid
Also known as: Urate
COMMON RANGE
3.7 – 8
mg/dL
0.49
13.8
M
Mayo Clinic Laboratories
Adult Male
↗
See all sources ↓
CONVERT & COMPARE
mg/dL
=
351
µmol/L
=
0.351
mmol/L
=
351
umol/L
=
351
mcmol/L
Reference ranges across 10+ sources
Adult reference ranges from 15 entries across 7 named sources, shown in mg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
M
Mayo Clinic Laboratories
Male
≥18y
3.7 – 8 mg/dL
↗
M
Mayo Clinic Laboratories
Female
≥18y
2.7 – 6.1 mg/dL
↗
L
Labcorp
Male
≥18y
3.8 – 8.4 mg/dL
↗
L
Labcorp
Female
≥18y
2.6 – 6.2 mg/dL
↗
Q
Quest Diagnostics
Male
≥18y
4 – 8 mg/dL
↗
Q
Quest Diagnostics
Female
≥18y
2.5 – 7 mg/dL
↗
N
Nordic Reference Interval Project
Male
≥18y
3.87 – 8.07 mg/dL
↗
N
Nordic Reference Interval Project
Female
18y–50y
2.61 – 5.88 mg/dL
↗
N
Nordic Reference Interval Project
Female
≥50y
2.61 – 6.72 mg/dL
↗
U
UK Pathology Harmony
Male
≥18y
3.36 – 7.23 mg/dL
U
UK Pathology Harmony
Female
≥18y
2.35 – 6.05 mg/dL
J
JSCC / JAMT Japan
Male
≥18y
3.7 – 7.8 mg/dL
J
JSCC / JAMT Japan
Female
≥18y
2.6 – 5.5 mg/dL
T
Turkey Nationwide Reference Intervals
Male
≥18y
3.7 – 6.88 mg/dL
T
Turkey Nationwide Reference Intervals
Female
≥18y
2.49 – 6 mg/dL
M
Mayo Clinic Laboratories
Male · ≥18y
↗
3.7 – 8 mg/dL
M
Mayo Clinic Laboratories
Female · ≥18y
↗
2.7 – 6.1 mg/dL
L
Labcorp
Male · ≥18y
↗
3.8 – 8.4 mg/dL
L
Labcorp
Female · ≥18y
↗
2.6 – 6.2 mg/dL
Q
Quest Diagnostics
Male · ≥18y
↗
4 – 8 mg/dL
Q
Quest Diagnostics
Female · ≥18y
↗
2.5 – 7 mg/dL
N
Nordic Reference Interval Project
Male · ≥18y
↗
3.87 – 8.07 mg/dL
N
Nordic Reference Interval Project
Female · 18y–50y
↗
2.61 – 5.88 mg/dL
N
Nordic Reference Interval Project
Female · ≥50y
↗
2.61 – 6.72 mg/dL
U
UK Pathology Harmony
Male · ≥18y
3.36 – 7.23 mg/dL
U
UK Pathology Harmony
Female · ≥18y
2.35 – 6.05 mg/dL
J
JSCC / JAMT Japan
Male · ≥18y
3.7 – 7.8 mg/dL
J
JSCC / JAMT Japan
Female · ≥18y
2.6 – 5.5 mg/dL
T
Turkey Nationwide Reference Intervals
Male · ≥18y
3.7 – 6.88 mg/dL
T
Turkey Nationwide Reference Intervals
Female · ≥18y
2.49 – 6 mg/dL
Ages 0–17 (CALIPER)
PEDIATRIC
5 age- and sex-stratified entries from the Canadian Laboratory Initiative on Pediatric Reference Intervals.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
C
CALIPER — Canadian Pediatric Reference Intervals
All
0–15d
2.8 – 12.7 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All
15d–1y
1.6 – 6.3 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All
1y–12y
1.8 – 4.9 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
Female
12y–19y
2.6 – 5.9 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
Male
12y–19y
2.6 – 7.6 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All · 0–15d
↗
2.8 – 12.7 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
All · 15d–1y
↗
1.6 – 6.3 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
All · 1y–12y
↗
1.8 – 4.9 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
Female · 12y–19y
↗
2.6 – 5.9 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
Male · 12y–19y
↗
2.6 – 7.6 mg/dL
About Uric Acid
This test measures the amount of uric acid in a sample of your blood or urine (pee). Uric acid is a normal waste product that your body makes when it breaks down chemicals called purines. Purines come from your cells when they die. Purines are also found in many foods and beverages.
Most uric acid dissolves in your blood. Your kidneys filter the uric acid out of your blood, and it leaves your body in your urine. If uric acid builds up in your blood, it can form needle-shaped crystals in and around your joints. This condition is called gout.
Gout is a type of arthritis that causes painful swelling in your joints. High uric acid levels can also cause kidney stones, or kidney failure. But not everyone with high levels of uric acid will have these problems.
Main source: MedlinePlus ↗
Useful for
Help diagnose gout, usually when done with a synovial fluid analysis
Monitor uric acid levels in people who are having cancer chemotherapy or certain other cancer treatments, since treatment can release large amounts of purines into the blood and lead to high uric acid levels
Help find out whether high levels of uric acid are causing kidney stones
Monitor the risk of developing kidney stones in people who have gout
Help evaluate certain kidney and metabolic conditions, including kidney problems and other disorders such as leukemia or psoriasis
Main source: MedlinePlus ↗
Interpretation
High uric acid levels in a blood test may be a sign of a problem that needs further evaluation. As a general guide, uric acid is considered high above about 8.0 mg/dL in men and above 6.1 mg/dL in women, but only some people with high uric acid develop gout or other problems.
Your provider may order more tests to help diagnose what's causing the issue, since high levels of uric acid can be related to many conditions such as kidney problems, gout, certain blood cancers like leukemia, psoriasis, or periods of starvation or rapid tissue breakdown. Levels can also rise in people receiving certain cancer-fighting medicines.
Low levels of uric acid in blood are uncommon and usually don't cause health problems. They can occasionally be seen with severe liver disease, certain inherited conditions, or with some treatments such as allopurinol or specific cancer drugs. Health conditions that are related to low uric acid levels are usually diagnosed using other tests.
High uric acid levels can also be measured in urine and may point to related conditions. Talk with your provider to understand what your specific results mean.
For general wellness information only. Talk to a clinician about your specific results.
Main source: MedlinePlus ↗
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Related biomarkers
Often tested alongside uric acid or part of the same panel.
White Blood Cells (WBC)
Blood
Red Blood Cells (RBC)
Blood
Hemoglobin (Hgb)
Blood
Hematocrit (Hct)
Blood
Platelets (PLT)
Blood
Mean Corpuscular Volume (MCV)
Blood
Sources
M
Mayo Clinic Laboratories
L
Labcorp
Q
Quest Diagnostics
N
Nordic Reference Interval Project
U
UK Pathology Harmony
J
JSCC / JAMT Japan
T
Turkey Nationwide Reference Intervals
C
CALIPER — Canadian Pediatric Reference Intervals
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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