Urea is a waste product formed from the breakdown of proteins. Urea is usually passed out in the urine. A high blood level of urea indicates that the kidneys may not be working properly, or that you are dehydrated.

Specimen: Serum

Reference Values:

Females: 15-36.4 mg/dl
Males: 19.3-42.8 mg/dl
Children: 5-21 mg/dl

Method: Urease

Loinc: 3091-6

Urea is a waste product formed from the breakdown of proteins. Urea is usually passed out in the urine. A high blood level of urea indicates that the kidneys may not be working properly, or that you are dehydrated.

Specimen: Urine

Method: Urease

Loinc: 48999-7

Uric acid is the major catabolic product of purine nucleosides. Although the bulk of the uric acid is from the degradation of endogenous nucleic acids, a proportion is dietary in origin.

Specimen: 0.2 ml Serum

Reference Values:

Adult Females:2.5-6.2 mg/dl
Adult Males: 3.5-7.5 mg/dl
1-9 Years Old: 1.8-5.6 mg/dl
10-12 Years Old: 2.2-5.9 mg/dl
Females 13-15 Years Old: 2.2-6.4 mg/dl
Males 13-15 Years Old:3.1-7.0 mg/dl

Method: Enzymatic/Uricase

Loinc:3084-1

Uric acid is the major catabolic product of purine nucleosides. Although the bulk of the uric acid is from the degradation of endogenous nucleic acids, a proportion is dietary in origin.

Specimen: Urine

Method: Enzymatic/Uricase

Loinc: 3087-4