CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.1.0 - 2024-11-28

Added

Core Components

• Parser - Full X12 EDI parsing with automatic delimiter detection
• Generator - EDI generation with proper envelope wrapping
• X12Validator - Multi-level validation (syntax, semantic, HIPAA)
• Tokenizer - Low-level EDI tokenization
• Delimiters - ISA-based delimiter detection

Models

• Segment, Element - Core EDI building blocks
• Loop - Hierarchical loop structures
• Interchange, FunctionalGroup, TransactionSet - Envelope models

Healthcare Transactions (HIPAA 5010)

• 837P Professional Claim (005010X222A1)
• 837I Institutional Claim (005010X223A3)
• 837D Dental Claim (005010X224A3)
• 835 Remittance Advice (005010X221A1)
• 270/271 Eligibility Inquiry/Response (005010X279A1)
• 276/277 Claim Status Request/Response (005010X212)
• 834 Benefit Enrollment (005010X220A1)
• 278 Prior Authorization (005010X217)
• 820 Premium Payment (005010X218)

Supply Chain Transactions (4010)

• 850 Purchase Order
• 856 Ship Notice/Manifest (ASN)
• 810 Invoice
• 855 Purchase Order Acknowledgment
• 860 Purchase Order Change

Acknowledgments

• 997 Functional Acknowledgment generation
• 999 Implementation Acknowledgment generation

Code Sets

• Entity Identifier Codes (NM101)
• Place of Service Codes
• Claim Status Codes
• Claim Adjustment Reason Codes (CARC)
• Remittance Advice Remark Codes (RARC)
• Service Type Codes (270/271)
• Diagnosis Type Qualifiers
• Procedure Code Qualifiers
• Claim Frequency Codes
• Provider Taxonomy Codes
• Revenue Codes (UB-04)
• Modifier Codes
• Unit of Measure Codes
• Adjustment Group Codes
• Eligibility/Benefit Information Codes
• Time Period Qualifier Codes

Streaming

• StreamingSegmentReader - Memory-bounded streaming for large files
• StreamingTransactionParser - Stream-based transaction parsing

Validation

• NPI validation with Luhn check
• Tax ID (EIN) validation
• ICD-10 diagnosis code format validation
• CPT/HCPCS procedure code validation

Trading Partners

• TradingPartner - Partner configuration
• PartnerRegistry - Partner management
• Custom delimiter support per partner

Testing

• 393 passing tests
• 83% code coverage
• Unit, integration, property, compliance, and performance tests
• Hypothesis property-based testing