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Inorganic phosphorus, phosphate, PO4.
To assist in evaluating multiple body system functions by monitoring phosphorus levels in relation to other electrolytes. Used specifically to evaluate renal function in at-risk patients.
There are no food, fluid, activity, or medication restrictions unless by medical direction.
|Age||Conventional Units||SI Units (Conventional Units × 0.323)|
|0–5 days||4.6–8 mg/dL||1.5–2.6 mmol/L|
|1–3 yr||3.9–6.5 mg/dL||1.3–2.1 mmol/L|
|4–6 yr||4–5.4 mg/dL||1.3–1.7 mmol/L|
|7–11 yr||3.7–5.6 mg/dL||1.2–1.8 mmol/L|
|12–13 yr||3.3–5.4 mg/dL||1.1–1.7 mmol/L|
|14–15 yr||2.9–5.4 mg/dL||0.9–1.7 mmol/L|
|16–19 yr||2.8–4.6 mg/dL||0.9–1.5 mmol/L|
|Adult||2.5–4.5 mg/dL||0.8–1.4 mmol/L|
|Values may be slightly decreased in older adults due to dietary insufficiency or the effects of medications and the presence of multiple chronic or acute diseases with or without muted symptoms.|
Critical Findings and Potential Interventions
Timely notification to the requesting health-care provider (HCP) of any critical findings and related symptoms is a role expectation of the professional nurse. A listing of these findings varies among facilities.
Interventions including IV replacement therapy with sodium or potassium phosphate may be necessary. Close monitoring of both phosphorus and calcium is important during replacement therapy.