EDI ANSI X12 850 – CSOS Validated Purchase Order

Overview

The EDI ANSI X12 850 – CSOS Validated Purchase Order is a specialized electronic purchase order used by DEA-registered buyers to order Schedule I-V controlled substances from suppliers. It combines the standard EDI 850 transaction format with CSOS digital certificate validation to ensure compliance with DEA regulations for electronic controlled substance orders.

With TraceLink’s digital supply network and CSOS integration, pharmaceutical manufacturers, wholesalers, and pharmacies can securely transmit validated purchase orders for controlled substances—eliminating the need for paper DEA Form 222 and accelerating order fulfillment.
 

Key Use Cases

• Electronically order controlled substances in compliance with DEA requirements.
• Replace paper-based DEA Form 222 with secure, validated digital transactions.
• Automate order processing for controlled substances across ERP and order management systems.
• Reduce order cycle times and manual handling for high-security pharmaceutical products.
• Maintain full traceability and audit readiness for controlled substance transactions.
   

Data Elements Included

An EDI ANSI X12 850 – CSOS Validated Purchase Order transaction includes:

• DEA Number: Identifies the buyer’s DEA registration for controlled substance purchases.
• Digital Certificate Signature: Authenticates the order using the buyer’s CSOS digital certificate.
• Controlled Substance Indicator: Flags line items that require CSOS validation.
• Purchase Order Number and Date: Unique PO identifier and order creation date.
• Item Details: NDC, GTIN, quantity, unit of measure, and description of the controlled substance.
• Ship-To and Bill-To Information: DEA-registered facility details.
• Requested Delivery Date: Preferred delivery window for the controlled substance.
• Order Total and Payment Terms: Financial summary of the order.
• CSOS Transaction Tracking ID: For audit and traceability purposes.
   

Benefits of EDI ANSI X12 850 CSOS Validated Purchase Order

• Eliminates the need for paper DEA Form 222, reducing manual processing.
• Accelerates order cycle times for Schedule II controlled substances.
• Ensures full compliance with DEA CSOS regulations.
• Enhances security with digital certificate-based authentication.
• Improves order accuracy and reduces errors in controlled substance transactions.
• Strengthens audit readiness with digitally traceable transaction records.
• Edit readiness with traceable digital records tied to every financial adjustment.
   

How TraceLink Supports EDI ANSI X12 850 – CSOS Validated Purchase Order

TraceLink’s OPUS Platform enables secure, compliant, and efficient CSOS ordering through:

• Integrated CSOS certificate management to validate DEA-registered buyers.
• Seamless ERP and OMS integration for automated order creation and processing.
• Controlled substance-specific workflows to ensure regulatory enforcement at the line-item level.
• Real-time tracking and audit logs for full traceability of CSOS transactions.
• DEA-compliant digital archiving of signed orders for inspection-readiness.
   

Explore More EDI ANSI X12 Capabilities

• EDI ANSI X12 856 – Advance Ship Notice: Provide shipment details and packaging structure ahead of delivery.
• EDI ANSI X12 947 – Batch Closure: Confirm inventory movements and batch-level adjustments from warehouses or 3PLs.
• EDI ANSI X12 812 – Credit/Debit Adjustment: Automate post-invoice financial corrections for improved accuracy and compliance.
• EDI ANSI X12 812 – Provider Credit/Debit Adjustment: Manage post-invoice adjustments from healthcare providers and distributors to suppliers.

See all EDI capabilities

Need Help Implementing EDI ANSI X12 850?

Contact Us to learn how we help pharmacies, wholesalers, and manufacturers implement secure, compliant CSOS ordering workflows through seamless EDI integration.