Data Dictionaries for Linked Medicare Files
'Linked Medicare data' refers to the Medicare records of NLTCS participants. These records are stripped of any identifying information and then linked to corresponding NLTCS data by a 5-digit unique but anonymous Sequence Number.
Variables Blanked for Confidentiality Reasons
1991-2004 Medicare Standard Analytic File records for the 49,242 people entering the survey from 1982-2004:
To preserve respondent confidentiality, these variables have been removed from the data sets described by the unedited CMS Data Dictionaries listed below.
Carrier Claims Record (Physician Part B) , 1991-2004
Clinical Labs, 1991-1994
Denominator File, version I, 1991-2004
Durable Medical Equipment, 1994-2004
Home Health Agency, 1991-2004
Skilled Nursing Facility, 1991-2004
Vital Statistics (Thru May 2005)
Version I Detailed Specs
1984-1990 Medicare records for the 30,308 people entering the survey from 1982-1989:
To preserve respondent confidentiality, these variables have been removed from the Denominator Cross-Reference File, Version H, listed below.
1982-1983 Medicare records for the 25,398 people entering the survey in 1982 and 1984: