Appendix 5. Time required for diagnostic test results

Xpert MTB/RIF

110 minutes

 –

Xpert MTB/RIF Ultra

< 80 minutes

 –

Xpert MTB/XDR

< 90 minutes

 –

Truenat

35 minutes (Truenat MTB)

1 hour (Truenat MTB-RIF Dx)

Culture liquid medium
(MGIT (a) Citation a. Mycobacteria growth indicator tube. )

8 days (smear+)
16 days (smear−)

2 weeks
 

Culture solid medium

LJ standard medium

16 days (smear+)
29 days (smear–)

6 weeks

Culture microcolonies
(TLA (b) Citation b. Thin-layer agar. , MODS (c) Citation c. Microscopic observation of drug susceptibility. )

14 days

–

Smear microscopy

2 hours

–

LPA

GenoType MTBDRplus (V2.0)

1 to 2 days (direct testing on smear+)

21 days (indirect testing)

–

LPA

GenoTypeMTBDRsl (V2.0)

1 to 2 days (direct testing)

21 days (indirect testing)

–

LF-LAM

25 minutes

–

1 to 3 days (direct testing on smear+)

21 days (indirect testing)

–

WGS

21 days (indirect testing)

–