Introducing warnings for missing member IDs in eligibility checks

Jan 28, 2026

Eligibility checks

You’ll now get a clear warning in eligibility responses when a required member ID is missing.

Why some payers require member IDs

For eligibility checks, payers can only return coverage when the patient information in the check matches exactly one member in the payer system. To enforce this, many payers require that checks include the patient’s member ID.

When the member ID is required but missing, the payer returns a AAA error, such as 72 (Invalid/Missing Subscriber/Insured ID). These errors are generic and don’t specifically indicate the payer requires a member ID.

Stedi’s new missing member ID warning

Stedi’s new warning indicates the payer requires a member ID for patients in eligibility checks, based on Stedi’s curated sources.

The warning is returned in the warnings array, alongside the AAA error, for eligibility responses from the following endpoints:

For example, the following warning indicates the payer requires the patient’s member ID:

{
  "warnings": [
    {
      "code": "request::270::member_id_required",
      "description": "This payer requires the patient's member ID to be included in eligibility requests."
    }
  ],
  "errors": [
    {
      "code": "72",
      "description": "Invalid/Missing Subscriber/Insured ID",
      ...
    }
  ],
  ...
}

The warning is also shown for eligibility responses in the Stedi portal.

Warning for eligibility responses in the Stedi portal

Eligibility check requirements vary by payer. If Stedi doesn't know if a payer requires a member ID for eligibility checks, no warning is returned.

For more tips and details, check out Stedi’s Eligibility troubleshooting docs.

You’ll now get a clear warning in eligibility responses when a required member ID is missing.

Why some payers require member IDs

For eligibility checks, payers can only return coverage when the patient information in the check matches exactly one member in the payer system. To enforce this, many payers require that checks include the patient’s member ID.

When the member ID is required but missing, the payer returns a AAA error, such as 72 (Invalid/Missing Subscriber/Insured ID). These errors are generic and don’t specifically indicate the payer requires a member ID.

Stedi’s new missing member ID warning

Stedi’s new warning indicates the payer requires a member ID for patients in eligibility checks, based on Stedi’s curated sources.

The warning is returned in the warnings array, alongside the AAA error, for eligibility responses from the following endpoints:

For example, the following warning indicates the payer requires the patient’s member ID:

{
  "warnings": [
    {
      "code": "request::270::member_id_required",
      "description": "This payer requires the patient's member ID to be included in eligibility requests."
    }
  ],
  "errors": [
    {
      "code": "72",
      "description": "Invalid/Missing Subscriber/Insured ID",
      ...
    }
  ],
  ...
}

The warning is also shown for eligibility responses in the Stedi portal.

Warning for eligibility responses in the Stedi portal

Eligibility check requirements vary by payer. If Stedi doesn't know if a payer requires a member ID for eligibility checks, no warning is returned.

For more tips and details, check out Stedi’s Eligibility troubleshooting docs.

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Stedi is a registered trademark of Stedi, Inc. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.

Get updates on what’s new at Stedi

Backed by

Stedi is a registered trademark of Stedi, Inc. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.

Get updates on what’s new at Stedi

Backed by

Stedi is a registered trademark of Stedi, Inc. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.