Level | Description |
1 | Integrity. Validates the syntactical integrity of the X12 EDI document. Validation at this level includes testing for valid segments, segment order, and element attributes. |
2 | Requirement. Validates the syntax rules meet the HIPAA Implementation Guidelines. Validation at this level includes testing for required repeat counts, used and unused codes, and required or inter-segmental data elements. |
3 | Balancing. Validates the transaction for balanced field totals, record or segment counts, financial balancing of claims or remittance advice, and balancing of summary fields. |
5 | Code Set. Validates that the transaction uses valid code set values as described in the HIPAA Implementation Guidelines (for example, CPT, NDC). |