As a system, I want to process the Truenat MTB result according to predefined result rules, so that the beneficiary is automatically routed to the appropriate next step.

MTB Result Options: TB Positive (Detected), TB Negative (Not Detected), Invalid / Error.

Acceptance Criteria

AC-07: MTB Positive — When MTB result is TB Positive (Detected):

1. The system shall save the result.
2. The MTB Test Order ID shall be marked Completed.
3. The system shall automatically create a new Truenat RIF Test Order ID under the same Visit ID.
4. The new RIF order shall have status Pending.
5. The RIF order shall maintain a reference to the MTB order that triggered it.

AC-08: MTB Negative + Normal Chest X-Ray — When MTB = TB Negative (Not Detected), and Chest X-Ray = Normal:

1. MTB order shall be marked Completed.
2. No additional diagnostic referral shall be generated.
3. The beneficiary shall not be referred to RIF testing based on this result combination.

AC-09: MTB Negative + Abnormal Chest X-Ray — When MTB = TB Negative, and Chest X-Ray = Abnormal but not TB Presumptive, OR MTB = TB Negative, and Chest X-Ray = TB Presumptive:

1. MTB order shall be marked Completed.
2. The system shall generate a referral for Further Clinical Assessment & Diagnosis.
3. The referral shall be recorded against the beneficiary/Visit ID.

AC-10: MTB Invalid/Error — When MTB result is Invalid / Error:

1. The system shall save the Invalid/Error result.
2. The current MTB Test Order ID shall be changed to Closed.
3. The system shall automatically create a new MTB Test Order ID under the same Visit ID.
4. The new order shall have status Pending.
5. The new order shall be identified as a repeat test.
6. The previous order shall remain available in the beneficiary's test history.