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Protein, Total, Serum / Plasma

Item Value
Approval req'd? No
Available Stat? No
Test code TP
Test group Total protein
Performed by Parnassus, Mission Bay & Mt. Zion Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Spectrophotometric (biuret)
Container type Gold top or Light Green top
Amount to Collect 1 mL blood Click here for Microdetermination info
Sample type Serum or plasma
Preferred volume 0.5 mL serum or plasma
Min. Volume 0.2 mL serum or plasma Click here for Microdetermination info
Units g/dL
Normal range
< 1 year 4.3 – 6.9 g/dL
1 year - 2 years 5.2-7.4 g/dL
3 years - 5 years 5.6-7.7 g/dL
6 years- 9 years 6.5-8.3 g/dL
≥ 10 years 6.0-8.1 g/dL

Normal range for children less than 10 years old adopted from Beckman Coulter's "Pediatric Reference Range Guidelines for Synchron Systems" Bulletin 9345.

Normal range for adults: low end of 6.0 determined by testing 271 normal male and female UCSF blood donors and referenced by Beckman as the low end of adult recumbent patients. High end of 8.1 adapted from Beckman Synchron's ambulatory upper limit.

Adult range used for children 10-18 years old. Adult range comparable to Beckman's range for age group 10-19 years (Bulletin 9345).
Synonyms TP
Stability Room temperature 8 hours, refrigerated 2 days, frozen at -20C 1 week
Turn around times 4 hours
Additional information Lipemia may artifactually decrease the result.
LOINC code 2885-2
Last Updated 1/28/2015 3:07:54 PM
Entry Number 791
Lab Procedure Link Click here for Procedure
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