Form 57.121 Denominator for Procedure

Form Approved

OMB No. 0920-0666

Exp. Date:  06/30/2026

www.cdc.gov/nhsn

Denominator for Procedure

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Facility ID							Procedure #:
*Patient ID:							Social Security #:
Secondary ID:							Medicare #:
Patient Name, Last:							First:			Middle:
*Gender: F M Other							*Date of Birth:
Sex at Birth: F M Unknown							Gender Identity (Specify):
Ethnicity (Specify):							Race (Specify):
Event Type: PROC							*NHSN Procedure Code:
*Date of Procedure:							ICD-10-PCS or CPT Procedure Code:
Procedure Details
*Outpatient: Yes No									*Duration: ______Hours ______Minutes
*Wound Class: C CC CO D									*General Anesthesia: Yes No
ASA Score: 1 2 3 4 5									*Emergency: Yes No
*Trauma: Yes No			*Scope: Yes No						*Diabetes Mellitus: Yes No
*Height: ______feet _______inches									*Closure Technique: Primary Other than primary
(choose one) ________meters *Weight: ________lbs/kg (circle one)									Surgeon Code: _____________
CSEC: *Duration of Labor: ______hours
Circle one: FUSN
*Spinal Level (check one)
□ Atlas-axis/Cervical						*Approach/Technique (check one)
□ Cervical						□ Anterior
□ Cervical/Dorsal/Dorsolumbar						□ Posterior
□ Dorsal/Dorsolumbar						□ Anterior and Posterior □ Lateral
□ Lumbar/Lumbosacral
Circle one: HPRO KPRO
ICD-10-PCS Supplemental Procedure Code for HPRO/KPRO: ___________
*Check one: □ Total		□ Hemi			□ Resurfacing (HPRO only)
If Total:	□ Total Primary			□ Total Revision
If Hemi:	□ Partial Primary			□ Partial Revision
If Resurfacing (HPRO only):				□ Partial Primary				□ Partial Revision
*If total or partial revision, was the revision associated with prior infection at index joint?											□ Yes	□ No
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)). CDC 57.121 Rev (NHSN 12.1 4/13/2024). Public reporting burden of this collection of information is estimated to average 10 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).

Denominator for Procedure

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Custom Fields
Label		Label
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
______________________	___ /____/______	______________________	___ /____/______
Comments

CDC 57.121 Rev. 7, NHSN v8.6