Data Element

Information from the submission form

Last Menstrual Period (LMP)

Date of the first day of the last menstrual period.


Recommend more LOINC and SNOMED-CT codes

LMP information is one of the first and fundamental information that OBGYN physicians ask. This is taught in the early years of medical school, and drives care for all women in various stages of their lives.  This element is used to estimate delivery date. Please merge this with   Some LOINC and SNOMED-CT codes are unspecified. Recommend the following: LOINC
  1. 8665-2 | Date last menstrual period Patient Date Pt Qn
  2. 33066-2 | Last menstrual period Patient Date Pt Qn Estimated from EDD
  3. 11955-2 | Last menstrual period Patient TmStp Pt Qn Reported
  4. 3145-0 | Menstrual period start.last Patient TmStp Pt Qn Stated
  5. 75203-0 | Mother's Last menstrual period start date before delivery
  6. 53661-5 | Reliability of last menstrual period observation Patient Find Pt Nom
  1. 21840007 | Date of last menstrual period
  2. 161713000 | Last menstrual period -1st day

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