Code 850: overpayment interest transfer.
From IRS Document 6209, the IRS's processing codes manual.
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Document 6209 says
Debit. Used on individual (IMF) accounts.
Overpayment Interest Transfer
The full Document 6209 entry, as printed
Debit (PJ) I/B Overpayment Interest Transfer 24, 58 Manually transfers interest on overpayment to another tax module and generally requires a corresponding 730 credit.
After code 850
Not enough shared timelines with this code yet. The block fills in once 30 people with code 850 share theirs from the result page.
Crowd figures, not IRS data. They describe what happened to others, not a promise.
Questions people ask
What does code 850 mean on my IRS transcript?
Document 6209 calls it "Overpayment Interest Transfer".
Sources
Checked against these sources on October 30, 2026.