Primary tier | Secondary tier | Tertiary tier |
---|---|---|
Rapid diagnostic tests (RDTs) Glucometer Hemoglobinometer Basic microscopy: malaria, stool, urinalysis POC Ultrasound | RDTs Automated coagulation analyzer Automated chemistry analyzer Automated immunoassay analyzer Automated hematology analyzer ELISA Benchtop analyzers (e.g., blood gas, NAAT) Microscopy with stains (e.g., gram stains, AFB, trichrome, india ink) Bacterial culture (identification, antimicrobial susceptibility) Ultrasound X-ray | Additional analytes on automated analyzers Fungal & TB culture Automated nucleic acid analyzer HPLC Fluorescent spot (G6PD) Immunofluorescence microscopy Transfusion testing Flow cytometry Histopathology Immunohistopathology Cytopathology Advanced breast imaging Computed tomography Echocardiogram Fluoroscopy Basic interventional radiology Complex interventional radiology Mammography MRI Nuclear radiology Positron Emission Tomography |