C25616Level 4

Period

**Semantic type:** Temporal Concept

**Definition:** An interval of time.

**Synonyms:** - Epoch - Time Period

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C103341Pretreatment Period

C110986Past 4 Weeks

C110987Past 6 Months

C118250Past 24 Hours

C12299630 Minutes per Day for 5 Days a Week Over Next 24 Weeks

C125104Past 3 Months

C125200Post-Allogeneic Bone Marrow Transplant

C125217Past Year

C126890Past 2 Weeks

C129756During this Bowel Movement

C131330Past 30 days

C131915Past 24 to 48 Hours

C136321Yesterday or Today

C136324Last 2 Days

C136326Last 2 Nights

C148465During Most Recent Visit

C148466After Most Recent Visit

C148492During Hospital or Clinic Visits after Abnormal Screening or Diagnosis

C148655Less Than One Year

C148656One to Two Years

C148657Three to Five Years

C148658Six to Ten Years

C148659Eleven to Fifteen Years

C148660Sixteen to Twenty Years

C148661Twenty Years or More

C154528Period of Medical Insurance Coverage for Enrollment Basis

C154529Period of Outpatient Prescription Drug Coverage for Enrollment Basis

C154530Period of Care, Encounter-Based

C154572More than 3 Months Ago

C154623Enrollment Period

C156841Follow-Up Period

C15684212 Months

C15684324 Months

C15684436 Months

C15684548 Months

C156946Less than 1 hour

C156947Between 1 and 2.5 Hours

C156948Between 3 and 4.5 Hours

C156949Between 5 and 6.5 Hours

C156950Between 7 and 8.5 Hours

C156951More than 9 Hours

C175040After Study Completion Period

C17850560 Months

C180627Prior to Age Twenty

C182289Less than 6 Weeks

C1824296-12 Weeks

C18243412-24 Weeks

C187071Pre-enrollment

C2022150-30 Days

C20221631-90 Days

C20221791-180 Days

C202218Greater than or Equal to 181 Days

C202302Pre-Qualification Time Period

C205524Two to Three Years

C205525Five to Ten Years

C205526Ten or More Years

C205531Within the Last Year

C205532One to Two Years Ago

C205533Two to Three Years Ago

C205534Three to Five Years Ago

C205535Five to Ten Years Ago

C205536Ten or More Years Ago

C210055Year Projection Period

C210425Post-menarchal

C210774Two Years Ago

C217161Study Period

C221371Healthcare System Continuity of Coverage

C39507Reporting Period for Cancer Center Support Grant

C42872Washout Period

C49637Reference Period

C8243912 Months or Longer

C82440Between 1 Hour and Less Than 12 Hours

C82441Between 12 Hours and Less Than 48 Hours

C82442Between 14 Days and Less Than 30 Days

C82443Between 2 Minutes and Less Than 1 Hour

C82444Between 30 Days and Less Than 7 Days

C82445Between 30 Days and Less Than 6 Months

C82446Between 48 Hours and Less Than 3 Days

C82447Between 6 Months and Less Than 12 Months

C82448Between 7 Days and Less Than 14 Days

C82449Less Than 2 Minutes

C84447Between 12 Hours and Less Than 24 Hours

C84450Between 24 Hours and Less Than 48 Hours

C84485Between 3 Days and Less Than 7 Days

C84817Grace Period

C90399Interim Sacrifice Period

C90446Recovery Sacrifice Period

C90466Terminal Sacrifice Period

C92731Antepartum

C92769Duration of Uterine Contraction

C92804Gestation

C92818Intrapartum

C92851Postpartum

C92858Pregnancy Time Period

C92907Uterine Contraction Interval

C94902Frame Gate

C95402Past Week

C98779Run-in Period

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