UCOD trends for decedents with multiple developmental disabilities, 2012–2016 US Multiple Cause-of-Death Mortality files (n=1765)
| ICD-10 chapter | Rank order change | Original UCOD (%) | Revised UCOD (%) | Absolute difference (%) | ||||
| X | J00-J99 | Diseases of the respiratory system | 3 | ↗ | 1 | 12.01 | 29.24 | 17.23 |
| IX | I00-I99 | Diseases of the circulatory system | 5 | ↗ | 2 | 9.18 | 16.03 | 6.85 |
| VI | G00-G99 | Diseases of the nervous system* | 1 | ↘ | 3 | 32.24 | 7.42 | −24.82 |
| XI | K00-K95 | Diseases of the digestive system | 6 | ↗ | 4 | 5.89 | 6.80 | 0.91 |
| XVIII | R00-R99 | Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified | 15 | ↗ | 5 | 0.00 | 6.35 | 6.35 |
| XX | V00-Y99 | External causes of mortality | 10 | ↗ | 6 | 1.76 | 6.06 | 4.30 |
| --- | --- | Unknown | 15 | ↗ | 7 | 0.00 | 5.16 | 5.16 |
| I | A00-B99 | Certain infectious and parasitic diseases | 8 | → | 8 | 3.34 | 4.42 | 1.08 |
| II | C00-D49 | Neoplasms | 7 | ↘ | 9 | 4.25 | 4.31 | 0.06 |
| IV | E00-E89 | Endocrine, nutritional and metabolic diseases | 9 | ↘ | 10 | 1.98 | 3.63 | 1.65 |
| XIV | N00-N99 | Diseases of the genitourinary system | 11 | → | 11 | 1.19 | 3.06 | 1.87 |
| V | F01-F99 | Mental, behavioural and neurodevelopmental disorders* | 4 | ↘ | 12 | 11.22 | 2.89 | −8.33 |
| XVII | Q00-Q99 | Congenital malformations, deformations and chromosomal abnormalities* | 2 | ↘ | 13 | 15.81 | 2.49 | −13.32 |
| XIII | M00-M99 | Diseases of the musculoskeletal system and connective tissue | 12 | ↘ | 14 | 0.74 | 1.25 | 0.51 |
| XII | L00-L99 | Diseases of the skin and subcutaneous tissue | 15 | → | 15 | 0.00 | 0.45 | 0.45 |
| III | D50-D89 | Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | 13 | ↘ | 16 | 0.28 | 0.34 | 0.06 |
| XVI | P00-P96 | Certain conditions originating in the perinatal period | 14 | ↘ | 17 | 0.11 | 0.11 | 0.00 |
*Indicates ICD-10 chapter inclusive of multiple developmental disabilities.
ICD-10, International Statistical Classification of Diseases and Related Health Problems, Tenth Revision; UCOD, underlying cause of death.