Form 57.123 Antimicrobial Use and Resistance (AUR): Microbiology Lab

Form Approved

OMB No. 0920-0666

Exp. Date: 06/30/26

www.cdc.gov/nhsn

Antimicrobial Use and Resistance (AUR): Microbiology Laboratory Data

Monthly Electronic Upload Specification Tables

These data will be collected in an aggregate monthly electronic file transfer from the facility to NHSN via Clinical Document Architecture (CDA).

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Table 1. CDA File Descriptors		These data elements will be transmitted with each month’s report.
Variable Name	Description of Variable
orgid	NHSN Facility ID number
location	NHSN location code
month	Denominator month
year	Denominator year
Application OID	Vendor software ID number
SDS validation ID	ID provided by NHSN Team confirming vendor software passed validation
Table 2. Isolate Event Details		These data elements will be transmitted with each month’s report.
Variable Name	Description of Variable				Examples
eventID	Event ID number
specimenDate	Date specimen collected
specimenSource	Specimen Source				Blood, lower respiratory, urine, cerebral spinal fluid
specBodySite	Specimen Body Site/System
isolateID	Isolate identifier
facilityAdmitDate	Date admitted to facility
admitStatus	Was patient admitted to an inpatient location				Y/N
specimenLoc	Location of specimen collection
pathogen	Identified pathogen
PtDOB	Patient date of birth
PtGender	Patient gender
PtID	Patient ID number
Table 2a. List of Eligible Pathogens				This is the list of pathogens that will be accepted into NHSN as part of the antimicrobial resistance reporting. Complete list of accepted is found in the NHSN IDM Workbook.
Acinetobacter species			Citrobacter koseri			Morganella morganii
Candida albicans						Proteus mirabilis
Candida auris			Enterobacter species			Proteus penneri
Candida glabrata			Enterococcus faecalis			Proteus vulgaris
Candida parapsilosis			Enterococcus faecium			Pseudomonas aeruginosa
Candida tropicalis			Enterococcus species			Serratia marcescens
Citrobacter amalonaticus			Escherichia coli			Staphylococcus aureus
Citrobacter braakii			Klebsiella aerogenes			Stenotrophomonas maltophilia
Citrobacter freundii			Klebsiella oxytoca			Streptococcus agalactiae
Citrobacter freundii complex			Klebsiella pneumoniae			Streptococcus pneumoniae
Assurance of Confidentiality: The voluntarily provided information obtained in this surveillance system that would permit identification of any individual or institution is collected with a guarantee that it will be held in strict confidence, will be used only for the purposes stated, and will not otherwise be disclosed or released without the consent of the individual, or the institution in accordance with Sections 304, 306 and 308(d) of the Public Health Service Act (42 USC 242b, 242k, and 242m(d)). Public reporting burden of this collection of information is estimated to average 5 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. An agency may not conduct or sponsor, and a person is not required to respond to a collection of information unless it displays a currently valid OMB control number. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to CDC, Reports Clearance Officer, 1600 Clifton Rd., MS D-74, Atlanta, GA 30333 ATTN: PRA (0920-0666). CDC 57.123 v9, 12.0

Antimicrobial Use and Resistance (AUR): Microbiology Laboratory Data

Monthly Electronic Upload Specification Tables

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Table 3. Antimicrobial Susceptibility Details					These data elements will be transmitted with each month’s report.
Variable Name		Description of Variable					Examples
antibiotic		Antibiotic used for susceptibility test
PBP2a-agglutination		PBP2a-agglutination
PCRmec-gene		PCR mec-gene
EtestSign		Etest sign					>, <, =
EtestValue		Etest value
EtestInterp		Interpretation of Etest
MICsign		MIC sign
MICinterp		Interpretation of the MIC test
MICvalue		MIC value
ZoneSign		Zone sign
ZoneInterp		Interpretation of zone test
ZoneValue		Zone value
FinIntrep		Final interpretation result
Table 3a. List of Antimicrobials used for Susceptibility Testing								This is the list of antimicrobials that will be accepted into NHSN as part of the antimicrobial resistance reporting.
Amikacin			Cefoxitin			Doripenem			Meropenem	Rifampin
Amoxicillin			Ceftaroline			Doxycycline			Meropenem-vaborbactam	Streptomycin
Amoxicillin-clavulanic acid			Ceftazidime			Ertapenem			Micafungin	Streptomycin – high level
Ampicillin			Ceftazidime/Avibactam			Erythromycin			Minocycline	Sulfisoxazole
Ampicillin-sulbactam			Ceftolozane/Tazobactam			Fluconazole			Moxifloxacin	Tedizolid
Anidulafungin			Ceftriaxone			Fosfomycin			Nitrofurantoin	Telavancin
Azithromycin			Cefuroxime			Gemifloxacin			Oritavancin	Tetracycline
Aztreonam			Chloramphenicol			Gentamicin			Oxacillin	Trimethoprim
Caspofungin			Ciprofloxacin			Gentamicin – high level			Penicillin G	Trimethoprim-sulfamethoxazole
Cefazolin			Clarithromycin			Imipenem-cilastatin			Penicillin V	Vancomycin
Cefepime			Clindamycin			Imipenem-relebactam with cilastatin			Piperacillin-tazobactam	Voriconazole
Cefiderocol			Colistin			Lefamulin			Polymyxin B
Cefotaxime			Dalbavancin			Levofloxacin			Posaconazole
Cefotetan			Daptomycin			Linezolid			Quinupristin-dalfopristin
Table 4. Denominator Data				These data elements will be transmitted with each month’s report.
Variable Name	Description of Variable
numAdmissions	Number of admissions
numPtDays	Number of inpatient days
numEncounters	Number of outpatient encounters
noAREvent	No AR Events were identified