Codes and Frequencies
An 'X' indicates the category is available for that sample
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001 | Salmonella infections | · | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | X | X | · |
002 | Shigellosis and amebiasis | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
003 | Other intestinal infections | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
005 | Respiratory tuberculosis | · | · | X | X | · | X | X | X | X | X | X | · | X | X | X | X | X | X | X |
006 | Other tuberculosis | X | · | X | · | X | X | · | · | · | · | X | X | · | · | X | · | X | X | X |
007 | Whooping cough | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
008 | Scarlet fever and erysipelas | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
009 | Meningococcal infection | · | X | · | · | · | · | · | X | · | · | · | X | X | · | · | X | · | · | · |
010 | Septicemia | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
011 | Syphilis | · | · | · | · | · | · | · | X | X | X | · | · | X | · | · | · | · | · | X |
012 | Acute poliomyelitis | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
013 | Arthropod-borne encephalitis | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
014 | Measles | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
015 | Viral hepatitis | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
016 | Human immunodeficiency virus | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
017 | Malaria | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
018 | Other infectious parasitic disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
020 | Cancer of lip, oral cavity, pharynx | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
021 | Cancer of esophagus | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
022 | Cancer of stomach | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
023 | Cancer of colon, rectum, anus | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
024 | Cancer of liver and bile ducts | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
025 | Cancer of pancreas | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
026 | Cancer of larynx | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
027 | Cancer of trachea, bronchus, lung | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Code | Label |
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028 | Malignant melanoma of skin | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
029 | Cancer of breast | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
030 | Cancer of cervix uteri | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
031 | Cancer of uterus | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
032 | Cancer of ovary | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
033 | Cancer of prostate | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
034 | Cancer of kidney and renal pelvis | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
035 | Cancer of bladder | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
036 | Cancer of brain, nervous system | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
038 | Hodgkin's disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
039 | Non-Hodgkin's lymphoma | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
040 | Leukemia | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
041 | Multiple myeloma | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
042 | Other lymph and blood cancer | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | X | · | · |
043 | Other, unspecified neoplasms | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
044 | In situ and benign neoplasms | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
045 | Anemias | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
046 | Diabetes mellitus | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
048 | Malnutrition | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
049 | Other nutritional deficiencies | · | · | · | · | · | · | X | X | X | · | X | · | · | X | X | X | X | X | · |
050 | Meningitis | · | · | · | · | X | · | · | · | X | X | X | X | X | X | X | X | X | X | X |
051 | Parkinson's disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
052 | Alzheimer's disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
055 | Rheumatic fever/heart disease | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
056 | Hypertensive heart disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Code | Label |
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057 | Hypertensive heart, renal disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
059 | Acute myocardial infarction | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
060 | Other acute ischemic heart disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
062 | Atherosclerotic cardiovascular disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
063 | Other chronic ischemic heart disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
065 | Acute and subacute endocarditis | X | · | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
066 | Pericardium disease, myocarditis | X | X | X | · | · | X | X | · | · | X | X | X | X | X | X | X | X | X | X |
067 | Heart failure | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
068 | All other forms of heart disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
069 | Primary hypertension, renal disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
070 | Cerebrovascular diseases | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
071 | Atherosclerosis | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
073 | Aortic aneurysm and dissection | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
074 | Other diseases of arteries, capillaries | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
075 | Other disorders of circulatory system | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
077 | Influenza | · | X | X | X | X | X | X | X | X | X | X | · | X | X | X | X | X | X | X |
078 | Pneumonia | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
080 | Acute bronchitis and bronchiolitis | · | · | · | · | · | X | · | · | X | X | X | X | X | X | X | X | X | X | X |
081 | Acute lower resp. infection, unspec | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · |
083 | Bronchitis, chronic and unspecified | · | X | · | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
084 | Emphysema | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
085 | Asthma | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
086 | Other chronic lower resp. disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
087 | Pneumoconioses | X | · | X | · | X | X | · | X | X | X | X | X | X | X | X | X | X | X | X |
088 | Pneumonitis from solids, liquids | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Code | Label |
04
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03
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02
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01
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00
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99
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98
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97
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96
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95
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94
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93
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92
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91
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90
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89
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88
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089 | Other respiratory system diseases | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
090 | Peptic ulcer | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
091 | Diseases of appendix | · | · | X | · | · | X | X | X | X | X | X | · | X | · | X | X | X | X | · |
092 | Hernia | · | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X | X | X |
094 | Alcoholic liver disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
095 | Other chronic liver disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
096 | Cholelithiasis, gallbladder disease | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
098 | Acute nephrotic syndrome | X | · | · | X | · | · | · | X | X | · | · | · | X | X | · | X | X | X | X |
099 | Chronic glomerulonephritis | X | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X | X | X |
100 | Renal failure | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
101 | Other disorders of kidney | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · |
102 | Infections of kidney | · | · | · | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X |
103 | Hyperplasia of prostate | X | · | · | · | · | · | · | X | X | X | X | · | X | X | X | X | X | X | · |
104 | Female pelvic inflammatory disease | · | · | · | · | · | · | · | · | · | · | · | X | · | X | · | X | · | X | · |
106 | Pregnancy with abortive outcome | · | · | · | · | · | X | · | · | · | · | · | · | X | · | · | · | · | · | · |
107 | Other pregnancy, birth complications | · | X | X | X | X | · | X | · | X | X | X | X | X | X | X | · | X | X | · |
108 | Certain perinatal conditions | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · |
109 | Congenital mal or deformations | · | X | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
110 | Abnormal clinical, lab findings, nec | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
111 | All other diseases (Residual) | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
114 | Motor vehicle accidents | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
115 | Other land transport accidents | · | · | · | X | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
116 | Water, air, space transport accidents | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
118 | Falls | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
119 | Accidental discharge of firearms | · | X | X | X | X | X | · | X | X | X | X | X | X | X | X | X | X | X | X |
Code | Label |
04
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03
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02
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01
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99
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98
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97
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96
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95
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94
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93
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92
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91
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90
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89
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88
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87
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86
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120 | Accidental drowning | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
121 | Accidental fire, smoke exposure | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
122 | Accidental poisoning | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
123 | Other nontransport accidents | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
125 | Suicide by discharge of firearms | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
126 | Suicide by other or means | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
128 | Homicide by firearm discharge | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
129 | Homicide by other means | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
130 | Legal intervention | · | X | X | · | · | · | X | X | X | · | · | · | X | · | X | X | · | X | X |
132 | Firearm discharge, unknown intent | · | X | · | · | · | · | X | · | · | X | · | X | X | X | · | X | · | X | · |
133 | Other, unspecified events | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
134 | War operations, their sequelae | · | · | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · |
135 | Medical, surgical complications | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
999 | NIU | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Can't find the category you are looking for? Try the Detailed codes
Description
For persons age 18+ included in the NHIS during survey years 1986 to 2004 who provided sufficient data for linking (MORTELIG) and whose final vital status was judged deceased (MORTSTAT) as of December 2006, MORTUCOD reports the underlying cause of death. This information was determined by NCHS based on probabilistic matches of survey participants' NHIS records to National Death Index (NDI) records. MORTUCOD is a recode created by NCHS to classify underlying cause of death in 113 categories. Deaths that occurred prior to 1999 are coded based on the 9th revision of the International Statistical Classification of Diseases, Injuries, and Causes of Death (ICD-9). Deaths that occurred from 1999 forward were coded based on the 10th revision of the International Statistical Classification of Diseases, Injuries, and Causes of Death (ICD-10). This variable is not available for survey participants in the 2005 or later NHIS samples, or for decedents who died after December 2006.
Weights for Mortality Data[show more]
Because adult survey participants who provided insufficient data for linking may differ from those who provided enough data for linking, ignoring the ineligible adult respondents (IPUMS NHIS code 3 in MORTELIG) could lead to biased mortality analysis. To correct this bias, NCHS developed eligibility-adjusted weights: MORTWT, available for 1986-2014, for use with variables from the NHIS person files, and MORTWTSA, available for 1997-2014, for use with variables from the sample adult files. When analyzing NHIS variables from the person files in conjunction with MORTUCOD, users should employ MORTWT (rather than the standard person weight, PERWEIGHT). When analyzing variables from the sample adult files in conjunction with MORTUCOD, users should employ MORTWTSA (rather than the standard sample weight, SAMPWEIGHT).
For further information on the NDI and the creation of the mortality variables, see the variable description for MORTELIG and the technical documents from NCHS on the creation and analysis of the NHIS Linked Mortality Files.
Related Variables
For other mortality variables included in IPUMS NHIS are the following, refer to the MORTSTAT variable description.
Comparability
MORTUCOD is largely comparable over time. As noted above, deaths occurring prior to 1999 are based on the 9th revision of the International Statistical Classification of Diseases, Injuries, and Causes of Death (ICD-9); deaths occurring from 1999-forward are coded based on the 10th revision (ICD-10).
Universe
- 1986-2004: All persons age 18+ eligible for mortality follow-up, assumed dead, whose assumed cause of death was not unknown, and who died no later than December 31, 2006.
Availability
- 1986-2004
Weights
- 1986-2004 : MORTWT

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