Reorganising algorithms for problems by organ systems
| Organ system | Acronym | ICD-10-CM* (range) | SNOMED CT† (subsumption) |
| Cardiovascular | CV | I00–I52 I70–I99 O10–O16 | |49601007|Cardiovascular disorder (disorder) |
| Endocrine and metabolic | END | E00–E89 | |75934005| Metabolic disease (disorder) |70241007| Nutritional deficiency (disorder) |362969004| Disorder of endocrine system (disorder) |
| Ear, nose, throat | ENT | H60–H95 K00–K14 J00–J06 J30–J39 | |232208008| Ear nose and throat disorder (disorder) |
| Eye | EYE | H00–H59 | |128127008|Disorder of visual system (disorder) |
| Gastrointestinal | GI | K20–K95 | |53619000|Disorder of digestive system (disorder) |
| Genito-urinary-breast | GUB | N00–N99 O91–O92 | |42030000|Disorder of the genitourinary system (disorder) |79604008| Disorder of breast (disorder) |129103003| Endometriosis (disorder) |
| Haematological | HEM | D50–D78 | |414022008|Blood disease (disorder) |362970003|Disorder of haemostatic system (disorder) |414027002|Disorder of haematopoietic structure (disorder) |
| Inflammatory or infectious | INF | A00–B99 O85–O87 D80–D89 | |40733004| Infectious disease (disorder) |128139000| Inflammatory disorder (disorder) |
| Integumentary | INT | L00–L99 | |128598002|Disorder of integument (disorder) |
| Musculoskeletal and injury | MS | M00–M99 S00–T88 | |928000| Musculoskeletal disorder (disorder) |417163006| Traumatic and/or non-traumatic injury (disorder) |
| Neoplasms | NEO | C00–D49 | |399981008|Neoplasm and/or hamartoma (disorder) |
| Neurological | NEU | G00–G99 F51 I60–I69 | |118940003| Neurological disorder (disorder) |230461009| Headache disorder (disorder) |39898005| Sleep disorder (disorder) |
| Psychiatric | PSY | F20–F49 F60–F99 | |74732009|Mental illness (disorder) |
| Respiratory | RSP | J09–J18 J20–J22 J40–J99 | |50043002|Respiratory disease (disorder) |
| Signs and symptoms | SIGNS | R00–R99 F10–F19 F50–F59 | |250171008| Clinical history and observation finding (finding) |441742003|Evaluation finding (finding) |
*All ICD-10-CM codes that were within the listed ranges were included.
†All SNOMED CT codes that were subsumed by the listed SNOMED CT codes were included. See SNOMED CT documentation for the operational definition of subsumption.12
ICD-10-CM, International Classification of Diseases, 10th Revision, Clinical Modification.