What is the reference range for Calcium, Adjusted (Corrected for Albumin)?

The standard reference range for Calcium, Adjusted (Corrected for Albumin) is Approximately 2.12–2.62 mmol/L (8.5–10.5 mg/dL), post-correction.. Reference ranges vary by laboratory and assay platform — interpret in context of the issuing laboratory's stated range.

Which tests measure Calcium, Adjusted (Corrected for Albumin)?

Calcium, Adjusted (Corrected for Albumin) is measured in 1 test on BiomarkersLabs.com, including Comprehensive Metabolic Panel with Adjusted Calcium, Plasma.

Biomarker Reference · Adj Ca

What does the Calcium, Adjusted (Corrected for Albumin) test measure?

Calcium, Adjusted (Corrected for Albumin) (Adj Ca) is a clinical biomarker used in metabolic-diabetes assessment. Adjusted calcium applies a formula to correct total calcium for hypoalbuminaemia or hyperalbuminaemia, estimating what the total calcium concentration would be at a standard albumin level (typically 40 g/L or 4.0 g/dL). It is measured in 1 laboratory test on BiomarkersLabs.com.

Reference Range: Approximately 2.12–2.62 mmol/L (8.5–10.5 mg/dL), post-correction.
Units: mmol/L, mg/dL
Measured In: 1 test
Category: Metabolic

Functional medicine optimalWithin the laboratory reference interval; adjusted calcium normalises many spurious abnormalities seen with hypoalbuminaemia and reduces unnecessary investigations.

What is Calcium, Adjusted (Corrected for Albumin)?

Adjusted calcium applies a formula to correct total calcium for hypoalbuminaemia or hyperalbuminaemia, estimating what the total calcium concentration would be at a standard albumin level (typically 40 g/L or 4.0 g/dL). Common formulas add approximately 0.02 mmol/L (0.8 mg/dL) for every 1 g/dL that albumin falls below 4.0 g/dL.

Why is Calcium, Adjusted (Corrected for Albumin) measured?

Adjusted calcium provides a better estimate of ionised (free) calcium status than uncorrected total calcium when albumin is abnormal. It guides decisions about hypercalcaemia or hypocalcaemia work-up, though direct ionised calcium measurement remains the gold standard in critically ill patients or complex acid–base disturbances.

Reference ranges

Standard reference: Approximately 2.12–2.62 mmol/L (8.5–10.5 mg/dL), post-correction.
Functional medicine optimal: Within the laboratory reference interval; adjusted calcium normalises many spurious abnormalities seen with hypoalbuminaemia and reduces unnecessary investigations.
Units: mmol/L, mg/dL

Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.

Tests that measure Calcium, Adjusted (Corrected for Albumin)

1 test on BiomarkersLabs.com include this biomarker.

BML-MET-026Comprehensive

Comprehensive Metabolic Panel with Adjusted Calcium, Plasma

Calcium, Adjusted (Corrected for Albumin) reference range in this test: Approximately 2.12–2.62 mmol/L (8.5–10.5 mg/dL), post-correction.

Related clinical conditions

Related Biomarkers

Frequently measured alongside

Glucose, PlasmaGluc1 test Blood Urea NitrogenBUN2 tests Creatinine, PlasmaCreat1 test Estimated Glomerular Filtration RateeGFR6 tests SodiumNa6 tests PotassiumK6 tests ChlorideCl6 tests Carbon Dioxide, Total (Bicarbonate)CO₂1 test

Order tests measuring Calcium, Adjusted (Corrected for Albumin) for your patients

Available exclusively to verified licensed healthcare practitioners. CLIA-certified laboratory results delivered to your secure portal.