CONTENTS OF National Hospital Discharge Survey (NHDS) RESTRICTED FILES, 1977-1987
Design variables are being created for 1977-1987. Please email rdca@cdc.gov with the subject “NHDS Design Variables 77-87” if you are interested in accessing these data.
VARIABLE NAME | DESCRIPTION and VALUES | NOTE |
---|---|---|
HOSPITAL | 4-digit code for each HOSPITAL | NOTE: First 2 digits represent STATE where hospital is located |
CENTURY | First 2 digits of birth year of patient (not edited) | |
DOB | MMDDY for discharged patient's date of birth | |
AGE | Age of patient, 0 to 99 (must be used with UNITS) | |
UNITS | Units in which AGE is reported: | |
1 = Years | ||
2 = Months | ||
3 = Days | ||
AGEINYRS | Age of patient, 0 to 99 (all values converted to years) | |
SEX | Sex of patient: | |
1 = Male | ||
2 = Female | ||
RACE | Race of Patient | Coding used in 1977-78: |
1 = White | 1 = White | |
2 = Black | 2 = Black | |
3 = American Indian/Eskimo | 3 = Other | |
4 = Asian/Pacific Islander | 4 = Not Stated | |
5 = Other | ||
6 = Not stated (not coded in 1981) | ||
9 = Duplicate response (1979 & 1980 only) | ||
MARSTAT | Marital Status of patient | |
1 = Married | ||
2 = Single | ||
3 = Widowed | ||
4 = Divorced | ||
5 = Separated | ||
6 = Not Stated | ||
7 = Unknown | ||
DOA | MMDDY for date of admission | not edited |
DOD | MMDDY for date of admission | |
DS | Discharge Status | |
1977-80 coding: | 1981-87 coding: | |
1 = Routine Discharge/Dischg Home | 1 = Routine Discharge/Dischg Home | |
2 = Left Against Medical Advice | 2 = Left Against Medical Advice | |
3 = Dischd/Trnsfrd to Another Facility, etc | 3 = Dischd/Trnsfrd to Short-term Facility | |
4 = Dischd/Rfrd to Organized Home Care Serv | 4 = Dischd/Trnsfrd to Long-term Care Inst | |
5 = Died | 5 = Alive, Disposition not stated | |
6 = Not Stated | 6 = Dead | |
9 = Duplicate entry | 7 = Status not stated | |
AGER4 | Age Recoded to 4 Groups | |
1 = Under 15 yrs | ||
2 = 15-44 yrs | ||
3 = 45-64 yrs | ||
4 = 65+ years | ||
NUMDXS | Number of ICD-9-CM diagnosis codes for discharge (1 to 7) | |
NUMPDS | Number of ICD-9-CM procedure codes for discharge (0 to 4) | |
AGER10 | Age Recoded to 10 groups | |
00 = Newborn Infant (born during this hospitalization) | ||
01 = Under 1 year | ||
02 = 1-4 years | ||
03 = 5-14 years | ||
04 = 15-24 years | ||
05 = 25-34 years | ||
06 = 35-44 years | ||
07 = 45-54 years | ||
08 = 55-64 years | ||
09 = 65-74 years | ||
10 = 75+ years | ||
REGION | Census region where hospital is located | |
1 = Northeast | ||
2 = Midwest | ||
3 = South | ||
4 = West | ||
DIVISION | Census division where hospital is located | Census Divisions and State Codes Used in 1979-1987 |
1 = New England | CT, ME, MA, NH, RI, VT | |
2 = MidAtlantic | NJ, NY, PA | |
3 = East North Central | IL, IN, MI, OH | |
4 = West North Central | WI, IA, KS, MN, MO, NE, ND, SD | |
5 = South Atlantic | DE, DC, FL, GA, MD, NC, SC, VA, WV | |
6 = East South Central | AL, KY, MS, TN | |
7 = West South Central | AR, LA, OK, TX | |
8 = Mountain | AZ, CO, ID, MT, NV, NM, UT, WY | |
9 = Pacific | AK, CA, HI, OR, WA | |
NUMBEDS | Number of beds in hosital, by group | |
1 = 6-49 beds | ||
2 = 50-99 beds | ||
3 = 100-199 beds | ||
4 = 200-299 beds | ||
5 = 300-499 beds | ||
6 = 500-999 beds | ||
7 = 1000 or more beds | ||
OWNER | Ownership of hospital | |
1 = Proprietary | ||
2 = Church | ||
3 = Government | ||
4 = Nonprofit, excluding Church | ||
DOC | Days of care for the discharge | |
WEIGHT | Analysis weight: used to produce national estimates | |
ZIPCODE | ZIPcode for residence of discharged patient (not edited) | |
ESOP1 | Principal expected source of payment | 1981-87 coding: |
1977-80 coding: | blank = Not Stated | |
1 = Self Pay | 1 = Workmens Compensation | |
2 = Workmens Compensation | 2 = Medicare | |
3 = Medicare | 3 = Medicaid | |
4 = Medicaid | 4 = Title V | |
5 = Other Government Payments | 5 = Other Government Payments | |
6 = Blue Cross | 6 = Blue Cross | |
7 = Other Private/Commercial Insurance | 7 = Other Private/Commercial Insurance | |
8 = No Charge | 8 = Self-Pay | |
9 = Other | 9 = No Charge | |
0 = Not Stated | 0 = Other | |
DOP1 | MMDDY for date of 1st procedure performed (not edited) | [Not available before 1979] |
DOP2 | MMDDY for date of 2nd procedure performed (not edited) | [Not available before 1979] |
DOP3 | MMDDY for date of 3rd procedure performed (not edited) | (Not available before 1979) |
DOP4 | MMDDY for date of 4th procedure performed (not edited) | (Not available before 1979) |
DX1 | ICD-9-CM diagnosis code for principal diagnosis: 5 digits | ICD-8 used in 1977-78; diagnoses have 4-digits |
DX2 | ICD-9-CM diagnosis code for 2nd diagnosis: 5 digits | ICD-8 used in 1977-78; diagnoses have 4-digits |
DX3 | ICD-9-CM diagnosis code for 3rd diagnosis: 5 digits | ICD-8 used in 1977-78; diagnoses have 4-digits |
DX4 | ICD-9-CM diagnosis code for 4th diagnosis: 5 digits | ICD-8 used in 1977-78; diagnoses have 4-digits |
DX5 | ICD-9-CM diagnosis code for 5th diagnosis: 5 digits | ICD-8 used in 1977-78; diagnoses have 4-digits |
DX6 | ICD-9-CM diagnosis code for 6th diagnosis: 5 digits | [Not available before 1979] |
DX7 | ICD-9-CM diagnosis code for 7th diagnosis: 5-digits | [Not available before 1979] |
PD1 | ICD-9-CM procedure code for 1st procedure performed: 4 digits | ICD-8 used in 1977-78; procedures are 3-digits |
PD2 | ICD-9-CM procedure code for 2nd procedure performed: 4 digits | ICD-8 used in 1977-78; procedures are 3-digits |
PD3 | ICD-9-CM procedure code for 3rd procedure performed: 4 digits | ICD-8 used in 1977-78; procedures are 3-digits |
PD4 | ICD-9-CM procedure code for 4th procedure performed: 4 digits | [Not available before 1979] |
NEWBORN | Flag for Newborn Infants | |
1 = Newborn Infant (born during this hospitalization) | ||
2 = Not a Newborn Infant |
- Page last reviewed: May 19, 2011
- Page last updated: May 19, 2011
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