Klinisk Biokemi i Norden · 1 2013
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Quantity
Gender Age (years)
Estimated reference limits for children
from this investigation
Adults
NORIP reference limits
Low Cil Cih n/outliers High Cil Cih n/outliers Age (years) Low High
HDL-Cholesterol
mmol/L
Female
5-18
1.0 0.9 1.0 1273 2.3 2.3 2.4
-
≥18 1.0 2.7
Male
5-13
14-18 0.8 0.5 0.9 145 2.0 1.9 2.1
-
Iron
µmol/L
Female
5-10 7.7 5.5 8.8 385 29.3 27.8 31.9
-
≥18
9 34
11-18 6.3 4.0 7.1 437 33.4 30.2 36.1
-
Male
5-10 6.18 4.36 8.19 284 29.79 27.48 32.3
-
11-18 8.34 7.86 8.85 309 32.39 31.14 36.35 -
Lactate
dehydrogenase
U/L
Both
5-13 157 149 167 1062 327 316 351
-
18-69 105 205
14-18 121 118 130 356 271 263 294
-
LDL-Cholesterol
mmol/L
Both
5-18 1.1 1.1 1.2 1420 3.4 3.4 3.6
-
18-29 1.2 4.3
Magnesium
mmol/L
Female
5-13 0.73 0.72 0.74 611
0.93 0.93 0.94 1415
≥18 0.71 0.94
14-18 0.65 0.57 0.68 211
Male
5-18 0.71 0.70 0.73 593
Phosphate
mmol/L
Female
5-13 1.09 1.06 1.13 612/1 1.72 1.70 1.74
-
≥18 0.85 1.5
14-18 0.72 0.69 0.79 209 1.49 1.45 1.52
-
Male
5-13 1.07 1.03 1.10 449
1.74 1.71 1.78 594
18-49 0.75 1.65
14-18 0.85 0.79 0.96 145
Potassium
mmol/L
Both
5-18 3.26 3.20 3.29 1419 4.29 4.26 4.41
-
≥18 3.6 4.6
Protein
g/L
Both
5-13 63 63 64 1062 81 80 82
-
≥18
62 78
14-18 60 56 62 356 84 83 85
-
Sodium
mmol/L
Both
5-18 135 135 136 1375 147 146 148
-
≥18 137 145
Transferrin
µmol/L
Female
5-13
2.13 2.11 2.17 1420
3.31 3.27 3.33 1209
≥18 1.95 3.31
14-18
3.93 3.74 4.34 211
Male
5-18
3.31 3.27 3.33 1209
Triglycerides
mmol/L
Female
5-18
0.34 0.32 0.36 1419
1.95 1.78 2.17 823
≥18 0.45 2.60
Male
5-10
1.58 1.50 1.86 287/1
11-18
2.54 2.18 3.08 309
Urate
µmol/L
Female
5-13 140 132 150 613 328 318 337
-
18-49 155 350
14-18 163 142 176 210 376 348 417
-
Male
5-10
133 122 144 451
311 289 345 287
≥18 230 480
11-13
401 379 452 164
14-18 223 173 248 145 462 427 487
-
Cil: Confidence interval low. Cih: Confidence interval high.
Fra Hilsted L, Rustad P, Aksglæde L, Sørensen K, Juul A. Recommended Nordic paediatric reference intervals for 21 common bio-
chemical properties. Scand J Clin Lab Invest 2013;73:1-9.
