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Data Element Name:  Patient County Code
Format-Length:  N - 2 Required For:  AS, ED, IP
Effective Date:  1/1/94 Revision Date:  September 2003

NOTE: Patient County Code is not defined in 4010, but is defined in the 4050 Data Reporting Guide. For mapping guidelines refer to the Inpatient and Outpatient 837 Addenda.
National Standard Mapping:

Electronic - 837I
X12 Loop
Ref. Des.
Data Element
Code
Description
Version 4050R 2010BA N405 309 CO County Qualifier
N406 310 County Code
2010CA N405 309 CO County Qualifier
N406 310 County Code
Paper Form Locator Code Qualifier Description State Reporting Purposes
Institutional - UB-04 N/A N/A SPARCS Specific Data Element SPARCS Requires

Definition:

The code assigned to the county where the patient's principal residence is located on the day of admission or date of service.

Codes and Values:

  1. Must be a two-digit numeric code.

  2. Must be valid in accordance with the Zip/County Code Edit Validation Table in Appendix F.

  3. For homeless patients, "99" should be coded.

Edit Applications:

  1. Must be valid for the Patient Postal Service Zip Code and Extension Code assigned to the patient's principal residence.

  2. Must be compatible with Patient State. If the Patient County Code is in New York State (01-62), Patient State must equal "NY". If a Patient County Code is outside New York State (88), Patient State must not equal "NY".
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