USCIS event codes: meanings and context
Supported labels come from the published NIEM 4.2 Screening enumeration. They describe recorded operations, not a guarantee of current case status. Unlisted codes remain unknown.
Official sources and what they support
- USCIS — Case Status Online ↗
Official case-status verification for a receipt; not a specification of account JSON or event codes.
Our import steps, field checks and timestamp calculations describe this product. These sources do not certify our software or provide an official mapping of internal account endpoints.
Which codes have a detailed reading guide?
- IAF meaning and context ↗
- FNB meaning and context ↗
- FTA0 meaning and context ↗
- IK meaning and context ↗
- HA meaning and context ↗
Look up a supported event code
28 definitions checked against the published source. This is a focused list, not a complete dictionary of every code USCIS may use.
28 matching definitions
FBA · Initial evidence request notice ordered
Read the request; dates are in the notice.
NIEM 4.2 published enumeration
Published definition source ↗FBC · Initial and additional evidence requested
Confirm requirements in the notice.
NIEM 4.2 published enumeration
Published definition source ↗FH · Placed in interview queue
Queue entry does not give an appointment date.
NIEM 4.2 published enumeration
Published definition source ↗FM · Interview rescheduling recorded
Check the revised official notice.
NIEM 4.2 published enumeration
Published definition source ↗FR · Adjudication hold lifted
A lifted hold does not establish approval.
NIEM 4.2 published enumeration
Published definition source ↗FS · Adjudication hold placed
The code does not identify the reason or duration.
NIEM 4.2 published enumeration
Published definition source ↗KE · Record data changed
This code alone does not identify which data changed.
NIEM 4.2 published enumeration
Published definition source ↗KEA · Address change recorded
Verify the address through your official account.
NIEM 4.2 published enumeration
Published definition source ↗LAA · Card request sent to print server
A request is not completed production.
NIEM 4.2 published enumeration
Published definition source ↗LBA · Card order received at production facility
This is not mailing or delivery.
NIEM 4.2 published enumeration
Published definition source ↗LFA · Card returned as undeliverable
Check official delivery instructions.
NIEM 4.2 published enumeration
Published definition source ↗MFA · Document returned as undeliverable
Check official account instructions.
NIEM 4.2 published enumeration
Published definition source ↗TA · Pre-adjudicated, under review
Review does not establish a decision.
NIEM 4.2 published enumeration
Published definition source ↗WK · Appeal filed
Filing does not establish the appeal result.
NIEM 4.2 published enumeration
Published definition source ↗IAA · Receipt notice sent
Receipt notice recorded as sent; check the notice.
NIEM 4.2 published enumeration
Published definition source ↗IAF · Receipt letter emailed
An emailed receipt letter was recorded. This is not an approval.
NIEM 4.2 published enumeration
Published definition source ↗IK · Additional evidence requested
Evidence requested; check the notice and later responses.
NIEM 4.2 published enumeration
Published definition source ↗HA · Response to a request received
Response received, without confirming its sufficiency.
NIEM 4.2 published enumeration
Published definition source ↗FNB · Fingerprints taken
Fingerprints recorded; check clearance is not established.
NIEM 4.2 published enumeration
Published definition source ↗FTA0 · Database checks received
Check records received; results and approval are not established.
NIEM 4.2 published enumeration
Published definition source ↗DA · Approval / notice ordered
An approval-related notice operation was recorded. Verify the actual decision notice.
NIEM 4.2 published enumeration
Published definition source ↗EA · Denial notice ordered
Denial notice ordered; read the actual decision notice.
NIEM 4.2 published enumeration
Published definition source ↗LDA · Card produced
Card production was recorded. This is not confirmation of delivery.
NIEM 4.2 published enumeration
Published definition source ↗LEA · Card mailed to applicant
Mailing was recorded. Use official delivery information to check receipt.
NIEM 4.2 published enumeration
Published definition source ↗IP · Transfer notice sent
A transfer notice was recorded. This code does not identify the destination office.
NIEM 4.2 published enumeration
Published definition source ↗FJ · Interview scheduled / notice ordered
Interview scheduling was recorded. Confirm the appointment in the notice.
NIEM 4.2 published enumeration
Published definition source ↗HG · Interview conducted
An interview was recorded as conducted. It does not by itself establish the decision.
NIEM 4.2 published enumeration
Published definition source ↗IMAF · Fingerprint appointment notice sent
A fingerprint appointment notice was recorded. Check the notice for details.
NIEM 4.2 published enumeration
Published definition source ↗