Table 1.

mNGS steps and needed skillsets


Step of mNGS

Associated/Needed Skills
Automated or Streamlined Solutions Available
Nucleic acid extraction1. Knowledge of molecular workflow
2. Molecular sample handling techniques
Automation
Complementary DNA creation (for RNA libraries)Same as previously mentioned, including handling and manipulation of RNANone
Library preparation1. Knowledge of molecular workflow
2. Molecular/micropipetting techniques
3. Understanding of NGS methodology and calculations
4. Critical thinking/troubleshooting of NGS preparation steps
Automation
Instrument operationExperience or proper training None
Quality controlCritical thinking/troubleshooting of NGS preparation stepsNone
Read/data analysisAll of the previously mentioned items, including bioinformatics training and programming knowledgeWeb-based commercial pipeline
Data interpretation 1. All of the previously mentioned items, including experience and involvement in the test validation
2. Medical Director review, chart review, consultation, and sign-out
Establishment of positive/negative pipeline criteria

Abbreviations: mNGS, metagenomic NGS; NGS, next-generation sequencing.