30620:PHOSPHORUS (P)

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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

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