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reference range

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reference range

Lab medicine A set of values established as normal maximums or minimums for a given analyte. Cf Decision levels, Panic values.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

ref·er·ence range

(ref'rĕns rānj)
The usual range of test values for a healthy population.
Synonym(s): normal range.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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References in periodicals archive
The patient's 24-h urine protein was 0.352 g/day, which was above the reference range of 0.00-0.14 g/day).
Henoch-Schonlein purpura nephritis associated with monoclonal gammopathy of renal significance: a case report
Each patient had fever, jaundice, asthenia, thrombocytopenia (57,000 [patient A] and 61,000 [patient B] platelets/[mm.sup.3]; reference range >150,000 platelets/[mm.sup.3]), and hepatitis (alanine aminotransferase [ALT] >5,000 IU/L and aspartate aminotransferase [AST] >3,400 IU/L; reference range <40 IU/L).
Hepatitis Rebound after Infection with Yellow Fever Virus
A hospital based study on reference range of serum prostate specific antigen levels.
Age-Specific Reference Ranges for Serum Prostate-Specific Antigen in Puerto Rican Men with Proven Prostate Cancer
Laboratory hematological parameters were as follows; hemoglobin was 7.0 g/dl (reference range 12.0-15.5), white blood cell count was 18.0x109/L (reference range, 3.5-10.5x109/L) and consisted of 77% neutrophils, 8% monocytes, 13% lymphocytes, 1% basophils, and 1% eosinophils.
A rare presentation of Kikuchi Disease with Hemolytic Uremic Syndrome
Anderson, MD, reported that free thyroxine levels within the normal reference range were associated in graded fashion with an increased prevalence and incidence of atrial fibrillation in a large Utah study, a finding that provides independent confirmation of an earlier report by investigators from the population-based Rotterdam Study.
HEART FAILURE: 90-day risk higher with new hypothyroidism
The researchers found that after treatment (range, three to 18 months), thyroid hormone therapy was associated with a reduction in the mean thyrotropin value to the normal reference range versus placebo, but it was not associated with benefit regarding general quality of life or thyroid-related symptoms.
Hormone Therapy Not Beneficial in Subclinical Hypothyroidism; No benefit regarding quality of life or thyroid-related symptoms found for thyroid hormone therapy
Post-Mortem Brain Weight Reference Range for a Select South African Population
Rango de Referencia del Peso Cerebral Post-Mortem para una Poblacion Sudafricana Seleccionada
Laboratory investigations showed a white blood cell count of 23,000/uL (reference range, 4000-10,000/uL), C-reactive protein level of 14.21 mg/dL (reference range, <0.5 mg/dL), D-dimer level of 6923 ng/mL (reference range, <0.5 ng/mL), and creatine kinase level of 429 U/L (reference range, 30-160 U/L).
Delayed bowel stricture complicating superior mesenteric vein thrombosis
Cerebral spinal fluid (CSF) found 24 white blood cells/[mm.sup.3] (reference range 0-5 cells/[mm.sup.3]) with 83% lymphocytes (reference range 0-60%), 8 red blood cells/ [mm.sup.3] (reference range 0-0 cells/[mm.sup.3]), glucose of 35mg/dL (reference range 40-70 mg/dL), protein of 247.6 mg/dL (reference range 15-45 mg/dL), and no oligoclonal bands.
Disseminated Histoplasmosis with Miliary Histoplasmosis, Neurohistoplasmosis, and Histoplasma capsulatum Bacteremia in Probable Neurosarcoidosis
Initial biochemistry showed hypokalemia with potassium of 2.3 mmol/L (reference range: 3.5-5.2 mmol/L) and hypomagnesaemia with magnesium of 0.59 mmol/L (reference range: 0.70-1.10 mmol/L).
Graves' Disease Presenting with Periodic Paralysis to the Emergency Department
The laboratory reports showed elevated serum level of C-reactive protein (11.6 mg/L, reference range 0.6-6.0 mg/L), erythrocyte sedimentation rate (66.00 mm/H, reference range 0-20 mm/hour) and depressed hemoglobin (112 g/L, reference range 115-150 g/L), while other measured laboratory data were within normal limits including serum leukocyte, tumor markers and anti-mycobacterium tuberculosis antibody.
Immunoglobulin G4-Related Lung Disease Presenting as Lung Cavitating Mass and Mimicking Lung Cancer
In the study of Roberts and Kraft, low-density lipoprotein values moved into the female reference range for individuals transitioning from male to female (20).
Binary male-female laboratory reference ranges do not reflect reality for transgender individuals on sex-hormone therapy
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