How To Submit Claims To UnitedHealthcare IC

For UnitedHealthcare IC, the practical claims workflow usually starts with electronic submission guidance and only falls back to paper instructions when the payer documents a mailing address for specific claim types or exceptions. The details below keep the workflow broad instead of reducing it to a single address.

At a glance

• UnitedHealthcare supports electronic claim submission through EDI and the UnitedHealthcare Provider Portal; paper claims are also addressed in the administrative guide. Corrected claims use frequency code 7 and must include the original claim number. Claim status can be checked in the portal.

Submission channels

• EDI
• UnitedHealthcare Provider Portal
• paper claims

Electronic claims payer IDs

• Not clearly published in the researched sources.

Paper claims addresses

• Not clearly published in the researched sources.

Corrected claims and follow-up

• Use frequency code 7 for corrected/replacement claims.

• For EDI, place frequency code/bill type 7 in the required loop/segment and include the original reference number.

• For portal submission, use Claims & Payments > Act on a Claim > Submit corrected claim.

• For paper claims, enter frequency code 7 in the designated box and include the original claim number.

• A claim filed with a different bill type from the original claim is not a corrected claim.

• Claims status resource 1

• Claims status resource 2

Caveats

• I did not find a single universal payer ID or paper claim mailing address for all UnitedHealthcare IC business in the reviewed sources.
• Paper and electronic submission details may differ by product, state supplement, delegated entity, or plan type.
• Some UnitedHealthcare products route claims to delegated entities instead of UnitedHealthcare directly.

Provider resources

• UnitedHealthcare Provider Portal / Digital Solutions (official)
• 2026 UnitedHealthcare Care Provider Administrative Guide (official)
• Prior authorization and notification overview (official)
• Document Library (official)
• TrackIt (official)
• Reduce claim returns and rework (official)

Sources