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Central Distributor SEDD: Description of Data Elements

BMONTH - Birth month

Documentation Sections:

Birth month (BMONTH) is derived from the date of birth (DOB). If DOB is missing, then BMONTH is missing (.). If DOB is invalid, then BMONTH is invalid (.A).

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Uniform Values

Variable	Description	Value	Value Description
BMONTH	Birth month	1-12	Birth month
		.	Missing
		.A	Invalid

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State Specific Notes

None

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Internet Citation: HCUP Central Distributor SEDD Description of Data Elements - All States. Healthcare Cost and Utilization Project (HCUP). August 2025. Agency for Healthcare Research and Quality, Rockville, MD. hcup-us.ahrq.gov/db/vars/sedddistnote.jsp?var=bmonth.

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Last modified 8/6/25