Talk to Us
← All payers

Key Select

Primary payer ID
37321Compare transaction IDs ↓
Last successful claim statusNo successful response observedObserved across Substrate's claim-status network.
Not enough dataEDI 276/277EDI 270/271

Is your practice experiencing high volumes of no response claims or denials from Key Select? Try Substrate Denial Intelligence here -->.

Coverage profile

How Substrate can help you with Key Select

Substrate can help practices and billers with the following claims tasks for Key Select.

Claim status

EDI 276/277

The Substrate Claim Status Agent can check clearinghouse claim status for your practice with Key Select.

Available

Eligibility

EDI 270/271

The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Key Select.

Available

Frequently asked questions

Key Select payer FAQs

How do I check claim status with Key Select?

Providers check Key Select via EDI 276/277 when the payer ID is accepted. Substrate automates claim status across 3,500+ payers.

What is the payer ID for Key Select?

The primary payer ID for Key Select is 37321. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

What are the 837 payer IDs for Key Select?

The 837P and 837I payer ID for Key Select is 37321 via Stedi.

What is the 835 payer ID for Key Select?

The 835 payer ID for Key Select is 37321 via Stedi.

What is the 270 payer ID for Key Select?

The 270 payer ID for Key Select is 37321 via Stedi.

What is the 276 payer ID for Key Select?

The 276 payer ID for Key Select is 37321 via Stedi.

Resource library

Routing reference

Key Select payer IDs and operating states

Use the payer ID listed for the transaction you are submitting. Verify current routing and enrollment requirements with your clearinghouse.

Key Select payer name, operating states, and transaction-specific payer IDs
Payer nameKey SelectSource: Substrate payer directory · last refreshed
837P professional claims payer IDStedi37321Source: Stedi payer catalog · catalog dated · matched by payer ID
837I institutional claims payer IDStedi37321Source: Stedi payer catalog · catalog dated · matched by payer ID
835 ERA payer IDStedi37321Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDStedi37321Source: Stedi payer catalog · catalog dated · matched by payer ID
276 claim status payer IDStedi37321Source: Stedi payer catalog · catalog dated · matched by payer ID

Routing sources and verification

  • Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Last refreshed .
  • Stedi payer catalogMatched by payer ID; matched record: Key Select. Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi reference ↗

Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.

Other aliases

Also known as

  • 37321
  • 4933
  • 5880
  • KEY_SELECT