Andrew Charlwood 5b1569ed5c fix: correct patient identifier for GP diagnosis lookup (Task 3.3) ...

Two critical fixes for the indication-based pathway feature:

1. clean_snomed_code() now handles scientific notation (e.g., "1.06e+16")
   - CSV export from pandas/Excel converts large SNOMED codes to scientific notation
   - Without this fix, codes like "10629311000119108" were stored as "1.06e+16"
   - Now properly converts to full integer strings

2. batch_lookup_indication_groups() now uses PseudoNHSNoLinked instead of PersonKey
   - PersonKey is LocalPatientID (provider-specific like "J188448")
   - PseudoNHSNoLinked is the pseudonymised NHS number that matches PatientPseudonym in GP records
   - Without this fix, 0% of patients matched GP records
   - Test shows ~20% match rate for ADALIMUMAB patients with correct identifier

2026-02-05 15:49:24 +00:00

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