Know Your Tests

Browse reference ranges for common diagnostic and pathology tests. Compare your reported values with the ranges shown below. If you are unsure, upload your prescription and our team will assist you.

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Children

Add test references for pediatric age groups here. Duplicate the reference card structure below to add unlimited tests.

Hemoglobin (Hb)

Unit: g/dL

Reference Range: 11.0 – 13.5

Notes: Lower values may indicate anemia; correlate clinically.

White Blood Cells (WBC)

Unit: 10^9/L

Reference Range: 5.0 – 14.5

Notes: Elevated in infection/inflammation; pediatric ranges are broader than adults.

Platelets

Unit: 10^9/L

Reference Range: 150 – 450

Notes: Low counts may increase bleeding risk; verify with smear if abnormal.

Serum Calcium

Unit: mg/dL

Reference Range: 8.8 – 10.8

Notes: Consider albumin-corrected calcium for interpretation.

Male

Add test references for adult males here. Duplicate the reference card structure below to add unlimited tests.

Fasting Blood Sugar (FBS)

Unit: mg/dL

Reference Range: 70 – 99

Notes: 100–125 prediabetes; ≥126 suggests diabetes (confirmatory testing required).

HbA1c

Unit: %

Reference Range: 4.0 – 5.6

Notes: 5.7–6.4 prediabetes; ≥6.5 suggests diabetes (confirmatory testing required).

Creatinine

Unit: mg/dL

Reference Range: 0.74 – 1.35

Notes: Use eGFR for kidney function assessment; ranges vary by muscle mass.

LDL Cholesterol

Unit: mg/dL

Reference Range: Optimal < 100

Notes: Targets may vary based on cardiovascular risk profile.

HDL Cholesterol

Unit: mg/dL

Reference Range: > 40

Notes: Higher values are generally protective.

Female

Add test references for adult females here. Duplicate the reference card structure below to add unlimited tests.

Thyroid Stimulating Hormone (TSH)

Unit: mIU/L

Reference Range: 0.4 – 4.0

Notes: Consider T3/T4 and symptoms for complete thyroid assessment.

Hemoglobin (Hb)

Unit: g/dL

Reference Range: 12.0 – 15.5

Notes: Iron deficiency anemia common; correlate with ferritin.

Creatinine

Unit: mg/dL

Reference Range: 0.59 – 1.04

Notes: Use eGFR for kidney function; ranges vary by muscle mass.

HDL Cholesterol

Unit: mg/dL

Reference Range: > 50

Notes: Higher values are generally protective.

Vitamin B12

Unit: pg/mL

Reference Range: 200 – 900

Notes: Consider methylmalonic acid if borderline low.

Elder

Add test references tailored for older adults here. Duplicate the reference card structure below to add unlimited tests.

Vitamin D - 25(OH)D

Unit: ng/mL

Reference Range: 30 – 100

Notes: Consider clinical context; deficiency common with age.

eGFR

Unit: mL/min/1.73 m²

Reference Range: ≥ 60 (normal)

Notes: Stages CKD when < 60 for >= 3 months.

HbA1c

Unit: %

Reference Range: 4.0 – 5.6

Notes: Individualized targets often used in elderly; consult physician.

Fasting Blood Sugar (FBS)

Unit: mg/dL

Reference Range: 70 – 99

Notes: Targets may be individualized; confirm abnormal values.

Thyroid Stimulating Hormone (TSH)

Unit: mIU/L

Reference Range: 0.4 – 4.0

Notes: Mild elevations may be observed with age; interpret with T3/T4.