X.12

An American National Standards InstituteExternal Page Policy 
(click to see policy and instructions)EDI standard body. Some of the healthcare-relevant “transaction sets” follow,

Transaction Set 186

Used by testing laboratories to provide test results and associated information to insurance companies for life and health insurance underwriting.
LaboratoryReporting (X12.284)
PP408 - ASCX12N
Status:In Ballot - Published - 3040

Transaction Set 253

Can be used to transmit healthcare financial, and enrollment data from federally qualified health maintenance organizations (HMO) and comprehensive medical plans (CMP) to Federal and State Agencies.
Data Reporting Requirements (X12.374)
PP592 - ASCX12N
Status: In Development

Transaction Set 270

Used to inquire about healthcare eligibility and benefits associated with a subscriber or a dependent under the subscriber's policy.
Eligibility, Coverage or Benefit Inquiry (X12.281)
PP405 - ASCX12N
Status: Published - 3031

Transaction Set 271

Used to respond to the Eligibility, Coverage, or Benefit Inquiry Transaction Set (270) and provides information about or changes to healthcare eligibility or benefits.
Eligibility, Coverage or Benefit Information (X12.282)
PP406 - ASCX12N
Status: Published - 3031

Transaction Set 274

Can be used to exchange healthcare provider demographic, educational and professional qualifications between providers, provider networks, or any other entity that maintains or verifies provider information.
Healthcare Provider Information (X12.398)
PP633 - ASCX12N
Status: Status: In Development

Transaction Set 275

Used by providers, payors, sponsors, and regulatory bodies to provide demographic, clinical, continuity of care, and other patient healthcare information.
Patient Information (X12.315)
PP470 - ASCX12N
Status: Published - 3052

Transaction Set 276

Used by a provider, recipient of healthcare products or services, or an authorized agent to request from a healthcare payor the status of a healthcare claim or encounter.
Healthcare Claim Status Request (X12.316)
PP471 - ASCX12N
Status: Published - 3040

Transaction Set 277

Used by a healthcare payor or authorized agent to notify a provider, recipient, or authorized agent regarding the status of or to request additional information from the provider about a healthcare claim or encounter.
Healthcare Claim Status Notification (X12.317)
PP472 - ASCX12N
Status: Published - 3040

Transaction Set 278

To communicate the result of a healthcare service review performed by a healthcare review information source (insurer, plan sponsor, utilization review organization) to physicians, hospitals, medical facilities, or payors.
Healthcare Services Review Information (X12.336)
PP520 - ASCX12N
Status: Published - 3050

Transaction Set 500

Can be used by manufacturers, user facilities, distributors, healthcare professionals, and consumers, who are involved with medications and devices, to make voluntary, mandatory, baseline, semi-annual and annual reports on medication and device adverse effects and product problems.
Medical Event Reporting (X12.501)
PP653 - ASCX12G
Status: In Ballot - Published

Transaction Set 834

Used to exchange employee insurance enrollment information between an insurance sponsor, payor, and third-party administrator.
Benefit Enrollment and Maintenance (X12.84)
PP227 - ASCX12N
Status: Published - 3021

Transaction Set 835

Used to make a payment, send an explanation of benefits remittance advice, or make a payment and send an explanation of benefits remittance advice from a health insurer to a healthcare provider directly or via a financial institution.
Healthcare Claim Payment/Advice (X12.85)
PP228 - ASCX12N
Status: Published - 3020

Transaction Set 837

Used to submit healthcare claim billing information from healthcare service providers to payors, either directly or via intermidiary billers and claims clearinghouses. Used to transmit healthcare claims and billing payment information between payors with different payment responsibilities where coordination of benefits is required.
Healthcare Claim (X12.86)
PP229 - ASCX12N
Status: Published - 3030

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