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HPAI Outbreak and FADI 

Electronic Results Messaging 

Policy Guidance 

August 2023

Please note: This procedure may be revised as needed. 

All NAHLN Laboratories are expected to: 

• have the capability to electronically message test results for both foreign animal disease 

investigations (FADi) and outbreak testing. 

• message HPAI (and APMV) associated test results as soon as possible. 

• provide messaged result as either Not Detected (NDET) for negative results or Non-Negative

(NONNEG) for presumptive positive results. 

• provide results (either NDET or NONNEG) as a final report. NVSL will message confirmatory 

results. 

• have a documented process in place to ensure that messaged results are successfully received 

by APHIS, including steps to follow if the messaged results are not received by APHIS. 

• submit all Non-Negative samples to NVSL for confirmatory testing.

Message Content

FADi/RCA/Referral Numbers: 

• The FADi number, referral number or EMRS submission number (if provided) must be submitted 

in the message in the orc.4/ei.1 field exactly as they appear on the submission form with no 

spaces or additional characters added. 

• If a FADi or referral number is not provided, report ‘NA’ in the orc.4/ei.1 field. 

Specimen Identifiers: 

• Submitter-assigned specimen IDs must be sent in the message in the spm.2/eip.1/ei.1 field

exactly as they appear on the submission form, with no spaces or additional characters added.

Collection site: 

• If available, include the Premises ID for the location of the animal at time of sample collection in 

a PREM rol segment in the rol.13/pl.10/ei.1 field. 

• If the Premises ID is unknown, the premises state and any other available physical address 

information should be included in the message in the PREM rol segment, provided, to the best 

of the laboratory’s ability, it is certain that the information pertains to the location of the 

animals when samples were collected. 

• If neither is known, report ‘NA’. 
HPAI Outbreak and FADI Electronic Results Messaging Policy Guidance 

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Refer to NVSL-WI-1781 NAHLN Electronic Messaging Guide for further details on electronic messaging. 

This is a controlled document and a copy can be obtained through your lab’s quality management 

system. 

Program OIDS:

• Program OID for IAV-A messaging is 2.16.840.1.113883.3.5.8.4

• Program OID for APMV-1 messaging is 2.16.840.1.113883.3.5.8.15

• If one or more samples tested for multiple diseases are to be submitted in the same 

message, each set of disease specific test results must be included under a unique 

ORDER group with the applicable program OIDs in each ORC segment.

Submission Reasons

• Include the most appropriate submission reason in the message in obr.31. A full list of 

submission reasons can be found on the VTSL site.

Submission 

Reason Code

Submission Reason Text Submission Reason Definition

F FAD Diagnostics Samples that are submitted as part of an original foreign 

animal disease investigation.

LB Live Bird Market testing Testing conducted for detection of disease in the Live 

Bird Marketing System.

OM Outbreak Movement Permitting of animals for movement specifically during 

an Outbreak

NP

National Poultry 

Improvement Program 

testing

Testing conducted as part of the National Poultry 

Improvement Program.

S Surveillance Used for outbreak and outbreak recovery surveillance 

testing inside designated control and surveillance zones 

which includes environmental testing.

T Traceback Premise or animal that has been epidemiologically 

linked to a confirmed or suspect reportable disease case.

W High risk wildlife

Testing of wildlife or feral animals that are at high risk 

for transmitting the disease being tested for to livestock 

or commercial animals.

Negative Results May be Actionable and Final

When a NAHLN laboratory has a result of Not Detected (NDET) on pan-influenza A assay (matrix or 

approved kit – LOINC = 44263-2):

• They should message NDET in final reports.

• These results may be immediately actionable where the state agrees.

• No further testing will happen at NVSL unless requested by the state.
HPAI Outbreak and FADI Electronic Results Messaging Policy Guidance 

August 2023 NAHLN Page 3 of 3

Non-Negative Results Require Samples to be sent to NVSL for Confirmatory Testing

When a NAHLN laboratory has a result of Non-negative (NONNEG) on pan-influenza A assay (matrix or 

approved kit – LOINC = 44263-2) or subtyping assay (H5 = LOINC 44264-0 or H5 2.3.4.4 –LOINC = 77605-

4):

• They should message NONNEG in final reports.

• Samples must be sent to NVSL for confirmatory testing.

• NAHLN results may be immediately actionable prior to completion of confirmatory testing.