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Phosphorous, Inorganic


The Inorganic Phosphorus method is a modification of the method developed by Daly and Ertingshausen where the phosphate reacts with molybdate forming a complex that is directly proportional to the samples Inorganic Phosphorus level.

Test Utility

Phosphorous measurements are used to diagnose and treat various conditions and disorders such as those of the parathyroid gland and kidney diseases.

Specimen Collection and Preparation

Serum in the following tubes:

  • Serum separator tube (gold or tiger top)

Specimen Storage and Stability

Sample should be centrifuged at 3000 rpm for 15 minutes as soon as possible after collection. Store serum at the following temperatures:

  • Room temperature: 15°C to 30°C no longer than 8 hours

  • Refrigerated: 2°C to 8°C up to 7 days

  • Frozen: Not indicated

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Severely hemolyzed samples

  • Severely lipemic specimens

  • Specimen labeled incorrectly or not labeled

  • EDTA OR Potassium oxalate or Sodium fluoride samples

Reference Pages


Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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