// Null checks for mandatory fields
if (commonFields.getPatientNHSNoIsTraced() == null) {
missingFields.addMissingField("PatientNHSNoIsTraced", "The tracing status for the NHS number must be provided");
}
if (commonFields.getPatientNHSNo() == null) {
missingFields.addMissingField("PatientNHSNo", "The patient's NHS number must be provided");
}
if (commonFields.getPatientAddress() == null) {
missingFields.addMissingField("PatientAddress", "The patient's address must be provided");
}
if (commonFields.getPatientName() == null) {