Functional Requirements

The following are the functional capabilities required for the AHD module within the ART POC system. 
 1. User Management 
 
 Create and manage user accounts. 
 Assign roles and permissions (e.g. ART Provider, Clerk, Administrator). 
 
 2. Client Registration 
 
 Capture patient demographics:
 
 Name, birth date, gender, region, village, phone number, etc. 
 
 
 Generate unique patient identifier and barcode. 
 
 3. AHD Screening Workflow 
 
 Trigger AHD screening based on:
 
 Vitals (e.g., fever ≥39°C, HR ≥120 BPM) 
 CD4 count < 200 
 WHO stage 3/4 
 Reported symptoms 
 
 
 Prompt for TB/CrAg screening, KS symptoms, and drug prescriptions. 
 
 4. OI Screening & Lab Orders 
 
 Enter and order tests:
 
 CD4 
 TB (LAM, microscopy, culture) 
 CrAg (Serum and CSF) 
 
 
 Capture results and link to patient record. 
 
 5. Summary & Follow-up 
 
 Provide AHD summary with test results. 
 Support next appointment booking based on assessment outcome.