[ Lab Values – A thru Z ]

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Common Laboratory Values for Lab Tests

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Comprehensive Guide to Normal Lab Values led

Common Laboratory (LAB) Values - Laboratory values for lab tests

Normal Lab Reference Values

Lab (Specimen)

Conventional Units

SI Units

RBC Count
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Male: 4.4 - 5.8 x 106/µL
Female: 3.9 - 5.2 x 106/µL
Male: 4.4 - 5.8 x 1012/L
Female: 3.9 - 5.2 x 1012/L
RBC Indices (blood)

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MCV (mean corpuscular volume):
78 - 102 fL (adult)
Alt:

Age 0.5-2 yr 2-6 yr 6-12 yr > 12 yr
Male (fL) 70.5-81.2 72.7-83.6 75.9-86.5 77.8-94.0
Female (fL) 71.5-81.8 73.8-84.3 76.8-87.6 77.8-94.0

MCH (mean corpuscular hemoglobin):
27 - 33 pg (adult)
Alt:

Age 0.5-2 yr 2-6 yr 6-12 yr > 12 yr
Male (pg) 23.2-27.5 24.1-28.4 25.4-29.4 26.5-32.6
Female (pg) 23.5-27.6 24.3-28.6 25.4-29.6 26.5-32.6
 

MCHC (mean corpuscular hemoglobin conc):
32 - 36 g/dL (adult)
Alt:

 

Age 0.5-2 yr 2-6 yr 6-12 yr > 12 yr
Male (g/dL) 31.9-35.0 31.9-35.1 32.2-35.2 32.7-36.9
Female (g/dL) 31.8-34.8 31.9-35.0 31.9-35.0 32.7-36.9
RDW (RBC distribution width):  
> 12 yr: 10.8 - 14.1% (< 15%)
Renin activity (plasma)

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Adult, normal sodium diet:
Supine: 0.2-1.6 ng/mL/hr
Upright: 0.5-4.0 ng/mL/hr

Children, normal sodium diet, supine:
1-12 mon: 2.4-37.0 ng/mL/hr
13 mo-3 yr: 1.7-11.2 ng/mL/hr
4-5 years: 1.0-6.5 ng/mL/hr
6-10 years: 0.5-5.9 ng/mL/hr
11-15 years: 0.5-3.3 ng/mL/hr

 
Reticulocyte count (blood)

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0.5 - 2.3% of RBCs

Age | Abs Reticulocyte Range
1 - 3 Days: 77 - 283 K/mm3
4 - 30 Days: 14 - 159 K/mm3
31 - 60 Days: 28 - 201 K/mm3
60d - Adult: 12 - 130 K/mm3

0.005 - 0.023 of RBCs
Rheumatoid factor (serum)
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< 40 IU/mL <40 kIU/L
Common lab values – [ Q, R ]  Normal Laboratory Reference Ranges