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Second secondary inpatient ICD-9-CM or ICD-10-CM procedure code. The decimal point is not coded. The ICD-9-CM or ICD-10-CM procedure must be repeated for all lines of the claim, if necessary.

See Appendix K - External Sources.

Definition updated to include institution level information as well as inpatient level information as of

6/

30/2022. This field represents only to inpatient admissions for data requests pulled prior to

this date.