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OPHOSP2
Second operation during overnight hospitalization

Codes and Frequencies



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Description

For sample persons under age 18 who were ever hospitalized, OPHOSP2 reports the classification of the second operation performed on the person during hospitalization.

The NHIS uses only the first two digits of the ICD-9-CM Volume 3 codes used within hospitals for hospital record-keeping. The two-digit reporting preserves information on the body system or region on which the operation was performed but excludes details about the specific type of operation.

Comparability

This variable is completely comparable over time.

Universe

  • 1981: Sample persons under age 18 who were ever hospitalized.

Availability

  • 1981

Weights