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Neurology & psychiatry

5-HIAA (CSF): convert nmol/L to ng/mL

ng/mL = nmol/L × 0.1912

Calculator

Enter a value in any unit and all other units fill in.

Conversion formulas

nmol/L → ng/mLng/mL = nmol/L × 0.1912
ng/mL → nmol/Lnmol/L = ng/mL × 5.231

Conversion table

Highlighted: values inside the adult reference range.

nmol/Lng/mL
407.647
6011.47
8015.29
10019.12
12022.94
14026.76
16030.59
18034.41
20038.23
22042.06
24045.88
26049.7
28053.53
30057.35
32061.17
34065

Reference range

55 – 163 nmol/L = 10.51 – 31.16 ng/mL

Source: Burlina et al. (2017): The utility of CSF for the diagnosis of primary and secondary monoamine neurotransmitter deficiencies, EJIFCC 28:64-75 (PMC) · Last reviewed: 2026-10-19

Frequently asked questions

How do I convert 5-HIAA (CSF) from nmol/L to ng/mL?

ng/mL = nmol/L × 0.1912. For example, 100 nmol/L equals 19.1 ng/mL.

How many ng/mL are 100 nmol/L?

100 nmol/L equal 19.1 ng/mL (5-HIAA (CSF)).

How do I convert 5-HIAA (CSF) from ng/mL back to nmol/L?

nmol/L = ng/mL × 5.231.

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