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30620:PHOSPHORUS (P)
Methodology:Phosphomolybdate
Edit Date:6/11/2010
Performed:Daily
Released:Same day as tested
CPT Code:84100
Specimen Collection Details
Collection:One 7.5 mL serum separator tube (SST). Also acceptable: One 7 mL green top tube (lithium heparin) or one 4.5 mL plasma separator tube (PST).
Handling:Allow to clot, centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green top (heparin) tube within 2 hours of collection and separate plasma from cells into a plastic vial for transport. Refrigerate.
Standard Volume:2 mL serum or plasma.
Minimum Volume:0.5 mL serum or plasma.
Transport:Refrigerated.
Comments:Hemolyzed specimens produce falsely elevated phosphorus values.
Rejection Criteria:Use of tubes other than those specified.
Reference Range:
AGE FEMALE MALE
0 - 4 days 4.8 - 8.2 mg/dL 4.8 - 8.2 mg/dL
5 - 364 days 4.3 - 7.4 mg/dL 4.3 - 7.4 mg/dL
1 - 3 years 3.8 - 6.5 mg/dL 3.8 - 6.5 mg/dL
4 - 6 years 4.1 - 5.4 mg/dL 4.1 - 5.4 mg/dL
7 - 9 years 3.6 - 5.9 mg/dL 3.9 - 5.7 mg/dL
10 - 11 years 3.6- 5.9 mg/dL 3.8 - 6.5 mg/dL
12 - 13 years 3.3 - 5.9 mg/dL 3.5 - 6.3 mg/dL
14 - 15 years 3.4 - 5.0 mg/dL 3.4 - 6.0 mg/dL
16 - 17 years 2.8 - 4.9 mg/dL 2.4 - 5.4 mg/dL
18 years & older 2.4 - 4.7 mg/dL 2.4 - 4.7 mg/dL