Also covers / subsidiaries: Wellmark, BCBS Iowa, BCBS South Dakota
Electronic Payer ID
IABC0
88848 widely listed for Wellmark BCBS of Iowa and South Dakota; some clearinghouses also list IABLS/SDBLS aliases.
Timely Filing Limit (TFL)
No single uniform public limit; commonly 180 days to 1 year by contract
Appeal Window
Submit claim appeals/reviews per the Wellmark Provider Guide
Clearinghouse Gateway
Availity (837/835/270-271 EDI)
Provider Services
Varies — confirm via portal / clearinghouse
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Wellmark BCBS of Iowa, Mail Station 1E238, PO Box 9291, Des Moines, IA 50306-9291
Provider Portal
https://www.wellmark.com/provider
Serves Iowa and South Dakota. Verify payer ID and claims address against the member ID card.
Direct ANSI X12 electronic transaction support verified for Wellmark Blue Cross and Blue Shield.
National clearinghouse networks maintain dedicated routing IDs for specific transaction lines or subsidiaries under Wellmark Blue Cross and Blue Shield.
| Clearinghouse Name | Electronic Payer ID | Status | Enrollment | Supported Services |
|---|---|---|---|---|
| Blue Cross Blue Shield Iowa | IABC0 | Non-Par | Required | 837P837I835 ERA |
| Blue Cross Blue Shield South Dakota | SDBC0 | Non-Par | Required | 837P837I835 ERA |
Values vary by plan, line of business, and provider agreement. Confirm in the payer portal or with your clearinghouse gateway before submitting electronic claims.
Aethera's billing specialists work Wellmark Blue Cross and Blue Shield every day — handling EDI clearinghouse rejects, prior authorizations, payment posting, and 30-day AR aging recovery.
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