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Dr. Carmen Ricos and colleagues update this database on within-subject and between-subject biologic variation. From this data, they also calculate desirable specifications for imprecision, inaccuracy, and total allowable error. We are honored to be able to host this database. This article lists the actual specifications.
Desirable Specifications for Total Error, Imprecision, and Bias, derived from intra- and inter-individual biologic variation
This most recent and extensive listing of biologic goals has been provided by Ricos C, Alvarez V, Cava F, Garcia-Lario JV, Hernandez A, Jimenez CV, Minchinela J, Perich C, Simon M. "Current databases on biologic variation: pros, cons and progress." Scand J Clin Lab Invest 1999;59:491-500. These data were updated with new data from 2008: see what was updated here.
Annex I, Part I: Within-subject and between-subject CV values of analytes and Desirable Analytical Quality Specifications for imprecision, bias and total error
11-Desoxycortisol through a-Fetoprotein Albumin through CA 549 antigen Calcium through Cystein Dehydroepiandrosterone sulfate through Homocysteine Immunoglobulin A through Lycopenene Magnesium through Oxalate, output pCO2 through Rheumatoid factor SCC antigen through Zinc
See The Reference List See The References See The Guest Essay
|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
11-Desoxycortisol |
21.3 |
31.5 |
10.7 |
9.5 |
27.1 |
| S- |
17-Hydroxyprogesterone |
19.6 |
52.4 |
9.8 |
14.0 |
30.2 |
| S- |
5'Nucleotidase |
11.3 |
12.6 |
5.7 |
4.2 |
13.6 |
| U- |
5'-Hidroxiindolacetate, concentration, 24 h |
20.3 |
33.2 |
10.2 |
9.7 |
26.5 |
| S- |
a1-Acid Glycoprotein |
11.3 |
24.9 |
5.7 |
6.8 |
16.2 |
| S- |
a1-Antichymotrypsin |
13.5 |
18.3 |
6.8 |
5.7 |
16.8 |
| S- |
a1-Antitrypsin |
5.9 |
16.3 |
3.0 |
4.3 |
9.2 |
| S- |
a1-Globulins |
11.4 |
22.6 |
5.7 |
6.3 |
15.7 |
| U- |
a1-Microglobulin, concentration, first morning |
33.0 |
58.0 |
16.5 |
16.7 |
43.9 |
| P- |
a2-Antiplasmin |
6.2 |
--- |
3.1 |
--- |
--- |
| S- |
a2-Globulins |
10.3 |
12.7 |
5.2 |
4.1 |
12.6 |
| S- |
a2-Macroglobulin |
3.4 |
18.7 |
1.7 |
4.8 |
7.6 |
| U- |
a2-Microglobulin output, overnight |
29.0 |
32.0 |
14.5 |
10.8 |
34.7 |
| S- |
a-Amylase |
8.7 |
28.3 |
4.4 |
7.4 |
14.6 |
| S- |
a-Amylase (pancreatic) |
11.7 |
29.9 |
5.9 |
8.0 |
17.7 |
| U- |
a-Amylase concentration, random |
94.0 |
46.0 |
47.0 |
26.2 |
103.7 |
| S- |
a-Carotene |
35.8 |
65.0 |
17.9 |
18.6 |
48.1 |
| S- |
a-Fetoprotein(non hepatic carcinoma) |
12.0 |
46.0 |
6.0 |
11.9 |
12.8 |
| S- |
a-Tocopherol |
13.8 |
15.0 |
6.9 |
5.1 |
16.5 |
| S- |
Acid phosphatase (ACP) |
8.9 |
8.0 |
4.5 |
3.0 |
10.3 |
| S- |
Acid phosphatase tartrate-resistant (TR-ACP) |
8.0 |
13.3 |
4.0 |
3.9 |
10.5 |
| S- |
Acid phosphatase prostatic activity (PAP) |
33.8 |
--- |
16.9 |
--- |
--- |
| P- |
Activated partial thromboplastine time |
2.7 |
8.6 |
1.4 |
2.3 |
4.5 |
| S- |
Acyl/free carnitine |
10.4 |
27.2 |
5.2 |
7.3 |
15.9 |
| P- |
Adiponectin |
18.8 |
51.2 |
9.4 |
13.6 |
29.1 |
| S- |
Adenosine deaminase (ADA) |
11.7 |
25.5 |
5.9 |
7.0 |
16.7 |
| S- |
Alanine aminopeptidase |
4.1 |
--- |
2.1 |
--- |
--- |
| S- |
Alanine aminotransferase |
24.3 |
41.6 |
12.2 |
12.0 |
32.1 |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
Albumin |
3.1 |
4.2 |
1.6 |
1.3 |
3.9 |
| U- |
Albumin, concentration, first morning |
36.0 |
55.0 |
18.0 |
16.4 |
46.1 |
| S- |
Aldosterone |
29.4 |
40.1 |
14.7 |
12.4 |
36.7 |
| U- |
Aldosterone, concentration |
32.6 |
39.0 |
16.3 |
12.7 |
39.6 |
| S- |
Alkaline phosphatase |
6.4 |
24.8 |
3.2 |
6.4 |
11.7 |
| S- |
Alkaline phosphatase, bone isoform |
6.2 |
35.6 |
3.1 |
9.0 |
14.1 |
| S- |
Alkaline phosphatase, liver |
10.0 |
27.0 |
5.0 |
7.2 |
15.4 |
| S- |
Alkaline phosphatase, placental |
19.1 |
--- |
9.6 |
--- |
--- |
| U- |
Ammonia, output |
24.7 |
27.3 |
12.4 |
9.2 |
29.6 |
| S- |
Amyloid A |
25.0 |
61.0 |
12.5 |
16.5 |
37.1 |
| S- |
Androstendione |
11.1 |
51.1 |
5.6 |
13.1 |
22.2 |
| P- |
Angiotensin converting enzyme |
0.1 |
--- |
0.1 |
--- |
--- |
| P- |
Antithrombin III |
5.2 |
15.3 |
2.6 |
4.0 |
8.3 |
| S- |
Apolipoprotein A1 |
6.5 |
13.4 |
3.3 |
3.7 |
9.1 |
| S- |
Apolipoprotein B |
6.9 |
22.8 |
3.5 |
6.0 |
11.6 |
| S- |
Ascorbic Acid |
26.0 |
31.0 |
13.0 |
10.1 |
31.6 |
| S- |
Aspartate aminotransferase |
11.9 |
17.9 |
6.0 |
5.4 |
15.2 |
| S- |
b2-Microglobulin |
5.9 |
15.5 |
3.0 |
4.1 |
9.0 |
| S- |
Basophile, count |
28.0 |
54.8 |
14.0 |
15.4 |
38.5 |
| S- |
b-Carotene |
36.0 |
39.7 |
18.0 |
13.4 |
43.1 |
| S- |
b-Criptoxantin |
36.7 |
--- |
18.4 |
--- |
--- |
| S- |
b-Globulins |
10.1 |
9.1 |
5.1 |
3.4 |
11.7 |
| S- |
Bilirubin total |
23.8 |
39.0 |
11.9 |
11.4 |
31.1 |
| S- |
Bilirubin conjugated |
36.8 |
43.2 |
18.4 |
14.2 |
44.5 |
| S- |
CA 125 antigen |
24.7 |
54.6 |
12.4 |
15.0 |
35.4 |
| S- |
CA 15.3 antigen |
6.2 |
62.9 |
3.1 |
15.8 |
20.9 |
| S- |
CA 19.9 antigen |
16.0 |
102.0 |
8.0 |
25.8 |
39.0 |
| S- |
CA 549 antigen |
9.1 |
33.4 |
4.6 |
8.7 |
16.2 |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
Calcium |
1.9 |
2.8 |
1.0 |
0.8 |
2.4 |
| U- |
Calcium, concentration, 24h |
27.6 |
36.6 |
13.8 |
11.5 |
34.2 |
| U- |
Calcium, ionized |
1.7 |
2.2 |
0.9 |
0.7 |
2.1 |
| U- |
Calcium, output, 24h |
26.2 |
27.0 |
13.1 |
9.4 |
31.0 |
| S- |
Carbohydrate deficient transferrin |
7.1 |
38.7 |
3.6 |
9.8 |
15.7 |
| S- |
Carcinoembryonic antigen (CEA) |
12.7 |
55.6 |
6.4 |
14.3 |
24.7 |
| B- |
CD4 lymphocyte count |
25.0 |
--- |
12.5 |
--- |
--- |
| S- |
Ceruloplasmin |
5.8 |
11.1 |
2.9 |
3.1 |
7.9 |
| S- |
Chloride |
1.2 |
1.5 |
0.6 |
0.5 |
1.5 |
| S- |
Cholesterol |
5.4 |
15.2 |
2.7 |
4.0 |
8.5 |
| S- |
Cholinesterase |
7.0 |
10.4 |
3.5 |
3.1 |
8.9 |
| S- |
Cholinesterase, catalitic activity |
5.4 |
10.3 |
2.7 |
2.9 |
7.4 |
| S- |
Cholinesterase, immunoreactive |
6.4 |
--- |
3.2 |
--- |
--- |
| S- |
C3 complement |
5.2 |
15.6 |
2.6 |
4.1 |
8.4 |
| S- |
C4 complement |
8.9 |
33.4 |
4.5 |
8.6 |
16.0 |
| P- |
Copper |
8.0 |
19.0 |
4.0 |
5.2 |
11.8 |
| S- |
Copper |
4.9 |
13.6 |
2.5 |
3.6 |
7.7 |
| S- |
Cortisol |
20.9 |
45.6 |
10.5 |
12.5 |
29.8 |
| S- |
C Peptide |
9.3 |
13.3 |
4.7 |
4.1 |
11.7 |
| S- |
C-Propeptide type I procollagen |
8.2 |
17.6 |
4.1 |
4.9 |
11.6 |
| S- |
C-Reactive protein |
42.2 |
76.3 |
21.1 |
21.8 |
56.6 |
| U- |
C-Telopeptide type I collagen (s-CTx) |
9.6 |
30.6 |
4.8 |
8.0 |
15.9 |
| U- |
C-Telopeptide type I collagen/creatinine, first urine |
32.8 |
48.0 |
16.4 |
14.5 |
41.6 |
| U- |
C-Telopeptide type I collagen/creatinine, 2nd morning |
23.4 |
--- |
11.7 |
--- |
--- |
| S- |
Creatine kinase (CK) |
22.8 |
40.0 |
11.4 |
11.5 |
30.3 |
| S- |
Creatine kinase MB, % |
6.9 |
48.2 |
3.45 |
12.17 |
17.87 |
| S- |
Creatine kinase MB, activity |
19.7 |
24.3 |
9.9 |
7.8 |
24.1 |
| S- |
Creatine kinase MB, mass |
18.4 |
61.2 |
9.2 |
16.0 |
31.2 |
| S- |
Creatinine |
5.3 |
14.2 |
2.7 |
3.8 |
8.2 |
| Patient- |
Creatinine clearence |
13.6 |
13.5 |
6.8 |
4.8 |
16.0 |
| U- |
Creatinine, concentration |
24.0 |
24.5 |
12.0 |
8.6 |
28.4 |
| U- |
Creatinine, output, 24h |
11.0 |
23.0 |
5.5 |
6.4 |
15.4 |
| S- |
Cyfra 21.1 |
22.5 |
31.1 |
11.3 |
9.6 |
28.2 |
| S- |
Cystastin C |
4.6 |
13.0 |
2.3 |
3.4 |
7.2 |
| P- |
Cysteine |
5.9 |
12.3 |
3.0 |
3.4 |
8.3 |
| U- |
?-aminolevulinic acid |
16.0 |
27.0 |
8.0 |
7.8 |
21.0 |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
Dehydroepiandrosterone sulfate |
4.2 |
29.3 |
2.1 |
7.4 |
10.9 |
| U- |
Deoxipyridinoline/creatinine, 24h |
13.5 |
17.6 |
6.8 |
5.5 |
16.7 |
| U- |
Deoxipyridinoline/creatinine, first morning |
13.1 |
19.0 |
6.6 |
5.8 |
16.6 |
| U- |
Deoxipyridinoline/minute |
26.5 |
35.7 |
13.3 |
11.1 |
33.0 |
| P- |
Dipeptidyl-peptidase IV (ACE) |
8.2 |
14.5 |
4.1 |
4.2 |
10.9 |
| S- |
Dipeptidyl-peptidase IV (ACE) |
12.5 |
27.7 |
6.3 |
7.6 |
17.9 |
| P- |
Elastase-Pl |
13.6 |
16.4 |
6.8 |
5.3 |
16.5 |
| S- |
Endotelial growth factor |
10.7 |
47.6 |
5.4 |
12.2 |
21.0 |
| B- |
Eosinophils, count |
21.0 |
76.4 |
10.5 |
19.8 |
37.1 |
| (B)Plat- |
Epinephrine |
25.3 |
--- |
12.7 |
--- |
--- |
| P- |
Epinephrine |
48.3 |
--- |
24.2 |
--- |
--- |
| B- |
Erythrocytes, count |
3.2 |
6.1 |
1.6 |
1.7 |
4.4 |
| B- |
Erythrocyte distribution wide |
3.5 |
5.7 |
1.8 |
1.7 |
4.6 |
| U- |
Estradiol |
30.4 |
--- |
15.2 |
--- |
--- |
| S- |
Estradiol |
18.1 |
19.7 |
9.1 |
6.7 |
21.6 |
| P- |
Factor V coagulation |
3.6 |
--- |
1.8 |
--- |
--- |
| P- |
Factor VII coagulation |
6.8 |
19.4 |
3.4 |
5.1 |
10.7 |
| P- |
Factor VIII coagulation |
4.8 |
19.1 |
2.4 |
4.9 |
8.9 |
| P- |
Factor X coagulation |
5.9 |
--- |
3.0 |
--- |
--- |
| S- |
Ferritin |
14.2 |
15.0 |
7.1 |
5.2 |
16.9 |
| P- |
Fibrinogen |
10.7 |
15.8 |
5.4 |
4.8 |
13.6 |
| (B)Erthry- |
Folate |
12.0 |
66.0 |
6.0 |
16.8 |
26.7 |
| S- |
Folate |
24.0 |
73.0 |
12.0 |
19.2 |
39.0 |
| S- |
Follicle stimulating hormone (males) |
8.7 |
18.0 |
4.4 |
5.0 |
12.2 |
| S- |
Free carnitine |
7.6 |
15.2 |
3.8 |
4.2 |
10.5 |
| S- |
Free estradiol |
22.8 |
--- |
11.4 |
--- |
--- |
| U- |
Free estradiol |
38.6 |
--- |
19.3 |
--- |
--- |
| S- |
Free testosterone |
9.3 |
--- |
4.7 |
--- |
--- |
| U- |
Free testosterone |
51.7 |
--- |
25.9 |
--- |
--- |
| S- |
Free thyroxine (FT4) |
7.6 |
12.2 |
3.8 |
3.6 |
9.9 |
| S- |
Free Triiodothyronine (FT3) |
7.9 |
--- |
4.0 |
--- |
--- |
| S- |
Fructosamine |
3.4 |
5.9 |
1.7 |
1.7 |
4.5 |
| S- |
Galactosy hydroxylisine |
11.8 |
25.8 |
5.9 |
7.1 |
16.8 |
| S- |
g-Globulins |
14.6 |
12.3 |
7.3 |
4.8 |
16.8 |
| S- |
g-glutamyltransferase |
13.8 |
41.0 |
6.9 |
10.8 |
22.2 |
| S- |
Globulins, total |
5.5 |
12.9 |
2.8 |
3.5 |
8.0 |
| S- |
Glucose |
5.7 |
6.9 |
2.9 |
2.2 |
6.9 |
| (B)Erythr- |
Glucose-6-phosphate-1-dehydrogenase |
32.8 |
31.8 |
16.4 |
11.4 |
38.5 |
| B - spot |
Glucose-6-phosphate-1-dehydrogenase |
7.3 |
10.3 |
3.7 |
3.2 |
9.2 |
| S- |
Glutathione peroxidase |
7.2 |
21.7 |
3.6 |
5.7 |
11.7 |
| S- |
Glycated albumin |
5.2 |
10.3 |
2.6 |
2.9 |
7.2 |
| S- |
Glycated total protein |
0.9 |
11.6 |
0.5 |
2.9 |
3.7 |
| P, S- |
Haptoglobin |
20.4 |
36.4 |
10.2 |
10.4 |
27.3 |
| B- |
Hematocrit |
2.8 |
6.4 |
1.4 |
1.7 |
4.1 |
| B- |
Hemoglobin |
2.8 |
6.6 |
1.4 |
1.8 |
4.1 |
| B- |
Hemoglobin A1 C |
3.4 |
5.1 |
1.7 |
1.5 |
4.3 |
| S- |
HDL cholesterol |
7.1 |
19.7 |
3.6 |
5.2 |
11.1 |
| S- |
HDL 1 cholesterol |
5.5 |
27.2 |
2.8 |
6.9 |
11.5 |
| S- |
HDL 2 cholesterol |
15.7 |
40.7 |
7.9 |
10.9 |
23.9 |
| S- |
HDL 3 cholesterol |
7.0 |
14.3 |
3.5 |
4.0 |
9.8 |
| P- |
Homocysteine |
9.0 |
40.3 |
4.5 |
10.3 |
17.7 |
| S- |
Hydroxiproline/creatinine |
25.9 |
38.0 |
13.0 |
11.5 |
32.9 |
| U- |
Hydroxiproline/minute, night urine |
36.1 |
38.8 |
18.1 |
13.2 |
43.0 |
| S- |
Hydroxybutyrate dehydrogenase |
8.8 |
--- |
4.4 |
--- |
--- |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
Immunoglobulin A |
5.4 |
35.9 |
2.7 |
9.1 |
13.5 |
| S- |
Immunoglobulin G |
4.5 |
16.5 |
2.3 |
4.3 |
8.0 |
| S- |
Immunoglobulin M |
5.9 |
47.3 |
3.0 |
11.9 |
16.8 |
| S- |
Immunoglobulins K chain |
4.8 |
15.3 |
2.4 |
4.0 |
8.0 |
| S- |
Immunoglobulins l chain |
4.8 |
18.0 |
2.4 |
4.7 |
8.6 |
| S- |
Insulin |
21.1 |
58.3 |
10.6 |
15.5 |
32.9 |
| S- |
Intercellular adhesion molecule-1 |
1.9 |
21.0 |
1.0 |
5.3 |
6.8 |
| (B)Leuc- |
Interferon receptor |
14.0 |
20.0 |
7.0 |
6.1 |
17.7 |
| S- |
Interleukin-1B |
30.0 |
36.0 |
15.0 |
11.7 |
36.5 |
| S- |
Interleukin-8 |
24.0 |
31.0 |
12.0 |
9.8 |
29.6 |
| S- |
Iron |
26.5 |
23.2 |
13.3 |
8.8 |
30.7 |
| B- |
Lactate |
27.2 |
16.7 |
13.6 |
8.0 |
30.4 |
| S- |
Lactate dehydrogenase (LDH) |
8.6 |
14.7 |
4.3 |
4.3 |
11.4 |
| S- |
Lactate dehydrogenase 1 isoform (LDH1) |
6.3 |
10.2 |
3.2 |
3.0 |
8.2 |
| S- |
Lactate dehydrogenase 2 isoform (LDH2) |
4.9 |
4.3 |
2.5 |
1.6 |
5.7 |
| S- |
Lactate dehydrogenase 3 isoform (LDH3) |
4.8 |
5.5 |
2.4 |
1.8 |
5.8 |
| S- |
Lactate dehydrogenase 4 isoform (LDH4) |
9.4 |
9.0 |
4.7 |
3.3 |
11.0 |
| S- |
Lactate dehydrogenase 5 isoform (LDH5) |
12.4 |
13.4 |
6.2 |
4.6 |
14.8 |
| P- |
Lactoferrin |
11.8 |
23.7 |
5.9 |
6.6 |
16.4 |
| P- |
Leukocytes, count |
10.9 |
19.6 |
5.5 |
5.6 |
14.6 |
| S- |
LDL Cholesterol |
8.3 |
25.7 |
4.2 |
6.8 |
13.6 |
| S- |
LDL Cholesterol (direct) |
6.5 |
--- |
3.3 |
--- |
--- |
| P- |
LDL Cholesterol (oxidized) |
21.0 |
50.0 |
10.5 |
13.6 |
30.9 |
| S- |
LDL receptor mRNA |
21.5 |
13.6 |
10.8 |
6.4 |
24.1 |
| B- |
Leukocytes count |
10.9 |
19.6 |
5.5 |
5.6 |
14.6 |
| S- |
Lipase |
23.1 |
33.1 |
11.6 |
10.1 |
29.1 |
| S- |
Lipoprotein (a) |
8.5 |
85.8 |
4.3 |
21.6 |
28.6 |
| S- |
Lutein |
19.5 |
21.0 |
9.8 |
7.2 |
23.3 |
| S- |
Luteinizing hormone |
14.5 |
27.8 |
7.3 |
7.8 |
19.8 |
| S- |
Lycopenene |
40.1 |
33.0 |
20.1 |
--- |
--- |
| B- |
Lymphocytes, count |
10.4 |
27.8 |
5.2 |
7.4 |
16.0 |
| B- |
Lymphocytes CD4 |
25.0 |
--- |
12.5 |
--- |
--- |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| (B)Erythr- |
Magnesium |
5.6 |
11.3 |
2.8 |
3.2 |
7.8 |
| (B)Leuc- |
Magnesium |
18.3 |
16.4 |
9.2 |
6.1 |
21.2 |
| S- |
Magnesium |
3.6 |
6.4 |
1.8 |
1.8 |
4.8 |
| U- |
Magnesium, concentration, 24h |
45.4 |
37.4 |
22.7 |
14.7 |
52.2 |
| U- |
Magnesium, ionized |
1.9 |
5.1 |
1.0 |
1.4 |
2.9 |
| U- |
Magnesium, output, 24h |
38.3 |
37.6 |
19.2 |
13.4 |
45.0 |
| (B)Erythr- |
Mean corpuscular hemoglobin (HCM) |
1.6 |
5.2 |
0.8 |
1.4 |
2.7 |
| (B)Erythr- |
Mean corpuscular hemoglobin concentration (MCHC) |
1.7 |
2.8 |
0.9 |
0.8 |
2.2 |
| (B)Erythr- |
Mean corpuscular volume (MCV) |
1.3 |
4.8 |
0.7 |
1.2 |
2.3 |
| (B)Plat- |
Mean platelet volume (MPV) |
4.3 |
8.1 |
2.2 |
2.3 |
5.8 |
| B- |
Monocytes, count |
17.8 |
49.8 |
8.9 |
13.2 |
27.9 |
| S- |
Mucinous carcinoma-associated antigen (MCA) |
10.1 |
39.3 |
5.1 |
10.1 |
18.5 |
| S- |
Myoglobin |
13.9 |
29.6 |
7.0 |
8.2 |
19.6 |
| U- |
N-Acetyl Glucosaminidase, concentration, overnight |
48.6 |
18.4 |
24.3 |
13.0 |
53.1 |
| B- |
Neutrophyles, count |
16.1 |
32.8 |
8.1 |
9.1 |
22.4 |
| U- |
Nitrogen, output |
13.9 |
24.2 |
7.0 |
7.0 |
18.4 |
| S- |
Non-inhibited arilestearase activity |
3.8 |
37.2 |
1.9 |
9.3 |
12.5 |
| B(Plat)- |
Norepinephrine |
9.5 |
--- |
4.8 |
--- |
--- |
| P- |
Norepinephrine |
19.5 |
--- |
9.8 |
--- |
--- |
| U- |
N- Telopeptide type I collagen /creatinine, first urine |
17.2 |
44.8 |
8.6 |
12.0 |
26.2 |
| S- |
N-terminal (NT)-proBNP |
17.2 |
28.8 |
8.6 |
8.4 |
22.6 |
| S- |
Osmolality |
1.3 |
1.2 |
0.7 |
0.4 |
1.5 |
| S- |
Osteocalcin (+1 trab) |
7.2 |
27.0 |
3.6 |
7.0 |
12.9 |
| U- |
Oxalate, concentration |
44.0 |
18.0 |
22.0 |
11.9 |
48.2 |
| U- |
Oxalate, output |
42.5 |
19.9 |
21.3 |
11.7 |
46.8 |
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|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| B- |
pCO2 |
4.8 |
5.3 |
2.4 |
1.8 |
5.7 |
| B- |
pH [H+] |
3.5 |
2.0 |
1.8 |
1.0 |
3.9 |
| B- |
pH (pH units) |
0.2 |
--- |
0.1 |
--- |
--- |
| S- |
Paraoxon |
13.4 |
84.0 |
6.7 |
21.3 |
32.3 |
| S- |
Paraoxonase 1 substrate inhibition (PON 4SI) |
3.9 |
80.1 |
1.9 |
20.0 |
23.2 |
| S- |
Paraoxonase activity (salt estimulated) |
8.0 |
86.4 |
4.0 |
21.7 |
28.3 |
| S- |
Phosphate |
8.5 |
9.4 |
4.3 |
3.2 |
10.2 |
| U- |
Phosphate, concentration |
26.4 |
26.5 |
13.2 |
9.4 |
31.1 |
| U- |
Phosphate, output |
18.0 |
22.6 |
9.0 |
7.2 |
22.1 |
| Patient- |
Phosphate tubular reabsorption |
2.7 |
3.3 |
1.4 |
1.1 |
3.3 |
| S- |
Phospholipids |
6.5 |
11.1 |
3.3 |
3.2 |
8.6 |
| P- |
Plasminogen |
7.7 |
--- |
3.9 |
--- |
--- |
| B- |
Platelets, count |
9.1 |
21.9 |
4.6 |
5.9 |
13.4 |
| B- |
Platelet distribution wide |
2.8 |
--- |
1.4 |
--- |
--- |
| B- |
Plateletcrit |
11.9 |
--- |
6.0 |
--- |
--- |
| U- |
Porphobilinogen |
17.0 |
31.0 |
8.5 |
8.8 |
22.9 |
| U- |
Porphyrins |
40.0 |
--- |
20.0 |
--- |
--- |
| (B)Leuc- |
Potassium |
13.6 |
13.4 |
6.8 |
4.8 |
16.0 |
| S- |
Potassium |
4.8 |
5.6 |
2.4 |
1.8 |
5.8 |
| U- |
Potassium, concentration |
27.1 |
23.2 |
13.6 |
8.9 |
31.3 |
| U- |
Potassium, output |
24.4 |
22.2 |
12.2 |
8.2 |
28.4 |
| S- |
Prealbumin |
10.9 |
19.1 |
5.5 |
5.5 |
14.5 |
| S- |
Procollagen type 1 C-terminal |
7.8 |
--- |
3.9 |
--- |
--- |
| S- |
Procollagen type 1 N-terminal |
6.8 |
18.4 |
3.4 |
4.9 |
10.5 |
| S- |
Prolactin (men) |
6.9 |
61.2 |
3.5 |
15.4 |
21.1 |
| P- |
Prolyl endopeptidase |
16.8 |
13.9 |
8.4 |
5.5 |
19.3 |
| S- |
Properdin factor B |
9.5 |
11.2 |
4.7 |
3.7 |
11.5 |
| S- |
Prostatic specific antigen (PSA) |
18.1 |
72.4 |
9.1 |
18.7 |
33.6 |
| S- |
Protein C |
5.8 |
55.2 |
2.9 |
13.9 |
18.7 |
| P- |
Protein S |
5.8 |
63.4 |
2.9 |
15.9 |
20.7 |
| U- |
Protein, concentration, 24h |
39.6 |
17.8 |
19.8 |
10.9 |
43.5 |
| U- |
Protein, output |
35.5 |
23.7 |
17.8 |
10.7 |
40.0 |
| S- |
Protein, total |
2.7 |
4.0 |
1.4 |
1.2 |
3.4 |
| P- |
Prothrombin time |
4.0 |
6.8 |
2.0 |
2.0 |
5.3 |
| U- |
Pyridinoline/creatinine, morning spot |
8.7 |
17.6 |
4.4 |
4.9 |
12.1 |
| B- |
Pyruvate |
15.2 |
13.0 |
7.6 |
5.0 |
17.5 |
| B- |
Red cell distribution wide (RDW) |
3.5 |
5.7 |
1.8 |
1.7 |
4.6 |
| S- |
Reticulocyte highly fluorescent, count |
10.0 |
62.0 |
5.0 |
15.7 |
24.0 |
| S- |
Reticulocyte low fluorescent, count |
1.6 |
4.9 |
0.8 |
1.3 |
2.6 |
| S- |
Reticulocyte medium fluorescent, count |
13.0 |
33.0 |
6.5 |
8.9 |
19.6 |
| S- |
Reticulocyte, count |
11.0 |
29.0 |
5.5 |
7.8 |
16.8 |
| P- |
Retinol |
6.2 |
21.0 |
3.1 |
5.5 |
10.6 |
| S- |
Retinol |
13.6 |
19.0 |
6.8 |
5.8 |
17.1 |
| S- |
Rheumatoid factor |
8.5 |
24.5 |
4.3 |
6.5 |
13.5 |
Back to top
|
Analyte |
Biological Variation |
Desirable specification |
| CVw |
CVg |
I(%) |
B(%) |
TE(%) |
| S- |
SCC antigen |
39.4 |
35.7 |
19.7 |
13.3 |
45.8 |
| P- |
Selenium |
12.0 |
14.0 |
6.0 |
4.6 |
14.5 |
| B- |
Selenium |
12.0 |
12.0 |
6.0 |
4.2 |
14.1 |
| Semen- |
Semen, concentration |
26.8 |
56.4 |
13.4 |
15.6 |
37.7 |
| Semen- |
Semen, morphology |
19.6 |
44.0 |
9.8 |
12.0 |
28.2 |
| Semen- |
Semen, progressive motility |
15.2 |
32.8 |
7.6 |
9.0 |
21.6 |
| Semen- |
Semen, progressive rapid motility |
18.8 |
51.8 |
9.4 |
13.8 |
29.3 |
| Semen- |
Semen, total motility |
18.4 |
29.8 |
9.2 |
8.8 |
23.9 |
| Semen- |
Semen, vitality |
10.3 |
25.8 |
5.2 |
6.9 |
15.4 |
| S- |
Sex hormone binding globulin (SHBG) |
12.1 |
42.7 |
6.1 |
11.1 |
21.1 |
| (B)Erythr- |
Sodium |
1.8 |
12.4 |
0.9 |
3.1 |
4.6 |
| (B)Leuc- |
Sodium |
51.0 |
36.4 |
25.5 |
15.7 |
57.7 |
| S- |
Sodium |
0.7 |
1.0 |
0.4 |
0.3 |
0.9 |
| S- |
Sodium Bicarbonate |
4.8 |
4.7 |
2.4 |
1.7 |
5.6 |
| Sweat- |
Sodium Chloride |
15.0 |
25.0 |
7.5 |
7.3 |
19.7 |
| U- |
Sodium, concentration, 24 h. |
24.0 |
26.8 |
12.0 |
9.0 |
28.8 |
| U- |
Sodium output, 24 h. |
28.7 |
16.7 |
14.4 |
8.3 |
32.0 |
| P- |
Soluble CD163 |
9.0 |
35.9 |
4.5 |
9.3 |
16.7 |
| S- |
Soluble CD163 |
4.5 |
4.5 |
2.3 |
1.6 |
5.3 |
| S- |
Superoxide dismutase |
17.1 |
10.5 |
8.6 |
5.0 |
19.1 |
| (B)Erythr- |
Superoxide dismutase |
12.3 |
4.9 |
6.2 |
3.3 |
13.5 |
| S- |
Testosterone |
9.3 |
23.7 |
4.7 |
6.4 |
14.0 |
| Saliva- |
Testosterone |
17.3 |
28.8 |
8.7 |
8.4 |
22.7 |
| U- |
Testosterone |
25.0 |
--- |
12.5 |
--- |
--- |
| S- |
Thyroglobulin |
0.2 |
0.4 |
0.1 |
0.1 |
0.3 |
| S- |
Thyroglobulin antibody |
8.5 |
82.0 |
4.3 |
20.6 |
27.6 |
| S- |
Thyroid peroxidase antibody |
11.3 |
147.0 |
5.7 |
36.9 |
46.2 |
| S- |
Thyroid stimulating hormone (TSH) |
19.3 |
19.7 |
9.7 |
6.9 |
22.8 |
| S- |
Thyrotropin receptor antibody |
4.8 |
--- |
2.4 |
--- |
--- |
| S- |
Thyroxine binding globulin (TBG) |
4.4 |
12.6 |
2.2 |
3.3 |
7.0 |
| S- |
Thyroxine (T4) |
4.9 |
10.9 |
2.5 |
3.0 |
7.0 |
| S- |
Tissue polypeptide antigen (TPA) |
28.7 |
40.4 |
14.4 |
12.4 |
36.1 |
| S- |
Tissue polypeptide specific antigen (TPS) |
36.1 |
108.0 |
18.1 |
28.5 |
58.3 |
| S- |
Total carnitine |
7.7 |
13.8 |
3.9 |
4.0 |
10.3 |
| U- |
Total catecolamines, concentration, 24h |
24.0 |
32.0 |
12.0 |
10.0 |
29.8 |
| U- |
Total porphyrins |
40.0 |
--- |
20.0 |
--- |
--- |
| S- |
Transferrin |
3.0 |
4.3 |
1.5 |
1.3 |
3.8 |
| S- |
Triglyceride |
20.9 |
37.2 |
10.5 |
10.7 |
27.9 |
| S- |
Triiodothyronine (T3) |
8.7 |
17.2 |
4.4 |
4.8 |
12.0 |
| S- |
Tumor Necrosis Factor-a |
43.0 |
29.0 |
21.5 |
13.0 |
48.4 |
| S- |
Urate |
9.0 |
17.6 |
4.5 |
4.9 |
12.4 |
| U- |
Urate, concentration, 24h |
24.7 |
22.1 |
12.4 |
8.3 |
28.7 |
| U- |
Urate, output, 24h |
18.5 |
14.4 |
9.3 |
5.0 |
21.1 |
| S- |
Urea |
12.3 |
18.3 |
6.2 |
5.5 |
15.7 |
| U- |
Urea, concentration, 24h |
22.7 |
25.9 |
11.4 |
8.6 |
27.3 |
| U- |
Urea, output, 24h |
17.4 |
25.4 |
8.7 |
7.7 |
22.1 |
| U- |
Vanilmandelic Acid concentration, 24h |
22.2 |
47.0 |
11.1 |
13.0 |
31.3 |
| S- |
Vascular cell adhesion molecule-1 |
5.2 |
16.0 |
2.6 |
4.2 |
8.5 |
| S- |
Vascular endotelial growth factor |
14.1 |
28.8 |
7.1 |
8.0 |
19.6 |
| P- |
Vitamin B1 |
4.8 |
12.0 |
2.4 |
3.2 |
7.2 |
| B- |
Vitamin B2 (Riboflavin) |
5.8 |
10.0 |
2.9 |
2.9 |
7.7 |
| (B)Eryth- |
Vitamin B2 (Riboflavin) |
6.4 |
11.0 |
3.2 |
3.2 |
8.5 |
| (B)Eryth- |
Vitamin B2 status (gluthation reductase activation) |
5.2 |
40.0 |
2.6 |
10.1 |
14.4 |
| (B)Eryth- |
Vitamin B12 |
15.0 |
69.0 |
7.5 |
17.7 |
30.0 |
| (B)Eryth- |
Vitamin B6 |
14.0 |
24.0 |
7.0 |
6.9 |
18.5 |
| B- |
Vitamin B6 |
20.0 |
34.0 |
10.0 |
9.9 |
26.4 |
| (B)Eryth- |
Vitamin B6 status (AST activation) |
1.4 |
44.0 |
0.7 |
11.0 |
12.2 |
| (B)Eryth- |
Vitamin E (a-Tocopherol) |
7.6 |
21.0 |
3.8 |
5.6 |
11.9 |
| (B)Eryth- |
Vitamin K (Phylloquinone) |
38.0 |
44.0 |
19.0 |
14.5 |
45.9 |
| S- |
VLDL Cholesterol |
27.6 |
--- |
13.8 |
--- |
--- |
| P- |
Von Willebrand factor |
0.001 |
28.3 |
0.0005 |
7.1 |
7.1 |
| P- |
Von Willebrand factor antigen |
5.0 |
18.0 |
2.5 |
4.7 |
8.8 |
| S- |
Water |
3.1 |
0.1 |
1.6 |
0.8 |
3.3 |
| S- |
Zeaxanthine |
34.7 |
--- |
17.4 |
--- |
--- |
| S- |
Zinc |
9.3 |
9.4 |
4.7 |
3.3 |
11.0 |
| P- |
Zinc |
11.0 |
14.0 |
5.5 |
4.5 |
13.5 |
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