Table 1

Eight comorbidities from the Royal College of Surgeons Charlson Score adapted for use in liver transplant patients and their ICD-10 codes

Disease categoryICD-10 codes
1. Cardiovascular disease
 1.1 Myocardial infarctionI21*, I22*, I23*, I25.2
 1.2 Peripheral vascular diseaseI70–I73, I77.0, I77.1, K55.1, K55.8, K55.9, R02, Z95.8, Z95.9
 1.3 Cerebrovascular diseaseG45, G46, I60–I69
2. Congestive cardiac failureI11, I13, I25.5, I42, I43, I50, I51.7
3. Connective tissue diseaseM05, M06, M09, M12.0, M31.5, M32–M36
4. DementiaA81.0, F00–F03, F05.1, G30, G31
5. Diabetes mellitusE10–E14
6. Non-hepatic malignancyC00–C21, C26, C30–C34, C37–C41, C43, C45–C58, C60–C74, C75.0–C75.8, C76, C78.0–C78.6, C78.8, C79, C80–C85, C88, C90–C97
7. Chronic pulmonary diseaseI26, I27, J40–J45, J46*, J47, J60–J67, J68.4, J70.1, J70.3
8. Chronic renal diseaseI12, I13, N01, N03, N05, N07, N08, N17.1*, N17.2*, N18, N19*, N25, Z49, Z94.0, Z99.2
  • *Indicates an acute condition that should be used to define comorbidity only if present in a record of a previous hospital admission within the preceding year.

  • ICD-10, 10th revision of the International Classification of Diseases.