Examples	ICD-10	HCC1	HCC weight2	Notes
Type 2 diabetes (T2D)
T2D without complications	E11.9	19	0.104	Always has HCC weight. Document as specifically as possible.
T2D with hyperglycemia	E11.65	18	0.318
T2D with hypoglycemia, no coma	E11.649	18	0.318
T2D with mild retinopathy	E11.329	18	0.318
T2D with diabetic chronic kidney disease (CKD)	E11.22	18	0.318
T2D with polyneuropathy	E11.42	18	0.3168
Long term (current) insulin use	Z79.4	19	0.104
Hypertension (HTN)
HTN with congestive heart failure (CHF)	I11.0	85	0.323	Isolated essential HTN has no HCC weight. Relationship must be explicitly documented.
HTN + CKD stage 5/end stage renal disease (ESRD)	I12.0	136	0.237
HTN + CHF + CKD stage 1–4	I13.0	85	0.323
HTN + CHF + CKD stage 5/ESRD	I13.2	85	0.323
HTN + heart disease (no CHF) + CKD 5/ESRD	I13.11	136	0.237
Chronic kidney disease (CKD)
CKD stage 4, glomerular filtration rate (GFR) 15–29	N18.4	137	0.237	No HCC weight unless stage 4 or worse, or associated with HIV.
CKD stage 5, GFR <15	N18.5	136	0.237
ESRD	N18.6	136	0.237
Major infections
HIV/AIDS	B20	1	0.312	Active infections — serious, systemic, opportunistic, or bone/joint/muscle.
Sepsis	A41.8	2	0.455
Cancer
Breast cancer	C50.9	12	0.146	Active cancers — new, under treatment, or treatment declines — with documentation of any metastases.
Prostate cancer	C61	12	0.146
Lung, gastrointestinal, or pancreatic cancers	Varies	9	0.970
Metastasis to lymph nodes	C77.X	8	2.625
Hematologic problems
Myelodysplastic syndrome	D46.9	46	1.388
Aplastic anemia	D61.9	46	1.388
Acquired coagulopathy	D68.4	48	0.221
Senile purpura	D69.2	48	0.221
Immune thrombocytopenic purpura	D69.3	48	0.221
Thrombocytopenia	D69.6	48	0.221
Morbid obesity
Morbid obesity	E66.01	22	0.273	No HCC weight unless BMI is 40 or greater or there are comorbidities.
Code BMI if known	Z68.41–45	22	0.273
Malnutrition
Protein-calorie malnutrition	E46	21	0.545	Malnutrition requires documentation of objective data (e.g., albumin less than 3.4) or subjective data (wasted appearance).
Cachexia	R64	21	0.545
Chronic lung disease
Smoker's cough	J41.0	111	0.328	Document specifically if possible (smoking history, chest computed tomography results, pulmonary function tests, etc.). *Also code Z99.81, dependent on supplemental oxygen.
Emphysema	J43.X	111	0.328
Chronic obstructive pulmonary disease (COPD), other	J44.X	111	0.328
COPD, unspecified	J44.9	111	0.328
Pulmonary fibrosis	J84.10	112	0.209
Chronic respiratory failure	J96.10*	84	0.302
Inflammatory bowel disease
Crohn's disease	K50.90	35	0.294
Ulcerative colitis	K51.90	35	0.294
Chronic hepatitis
Chronic hepatitis C	B18.2	29	0.165
Chronic hepatitis, unspecified	K73.9	29	0.165
Cirrhosis
Alcoholic cirrhosis	K70.30	28	0.390
Non-alcoholic cirrhosis	K74.60	28	0.390
Esophageal varices, no bleed	I85.00	27	0.962
Portal hypertension	K76.6	27	0.962
Chronic pancreatitis
Chronic pancreatitis	K86.1	34	0.276
Rheumatologic problems
Lupus	M32.9	40	0.423
Sicca syndrome (Sjoren)	M35.00	40	0.423
Rheumatoid arthritis	M06.9	40	0.423
Inflammatory polyarthropathy	M06.4	40	0.423
Polymalgia rheumatica	M35.3	40	0.423
Psychiatric problems
Schizophrenia	F20.9	57	0.608	“Run-of-the-mill” depression/anxiety has no HCC weight. Must document Diagnostic and Statistical Manual of Mental Disorders criteria.
Schizoaffective disorder	F25.9	57	0.608
Major depression, recurrent	F33.9	58	0.395
Bipolar disorder	F31.9	58	0.395
Alcoholism	F10.20	55	0.383
Alcoholism, in remission	F10.21	55	0.383
Drug dependence	F1X.20	55	0.383
Drug dependence, in remission	F1X.21	55	0.383
Neurologic problems
Parkinson's disease	G20	78	0.585	Remember to list these chronic diseases annually, even if primary management is by a consultant.
Multiple sclerosis	G35	77	0.441
Paralysis	G83.9	104	0.395
Seizure disorder	G40.909	79	0.227
Ischemic stroke	Varies	100	0.265
Cardiac disease
Angina	I20.9	88	0.140
Coronary artery disease with angina	I25.119	88	0.140
Unstable angina	I20.0	87	0.218
Acute myocardial infarction	I21.3	86	0.233
Pulmonary hypertension	I27.2	85	0.323
Cor pulmonale	I27.81	85	0.323
Cardiomyopathy	I42.9	85	0.323
CHF	I50.9	85	0.323
Atrial fibrillation	I48.91	96	0.268
Aortic atherosclerosis	I70.0	108	0.298
Abdominal aortic aneurysm	I71.4	108	0.298
Deep venous thrombosis (DVT)
DVT, acute	I82.40	108	0.298
DVT, chronic	I82.50	108	0.298
Vascular disease
Peripheral vascular disease	I73.9	108	0.298
Diabetic peripheral vascular disease	E11.51	18	0.318
Venous stasis ulcers with varicose veins	I83.0	107	0.400
Chronic venous stasis ulcer	I87.31	107	0.400
Ophthalmology
Wet macular degeneration	H35.32	124	0.499
Proliferative diabetic retinopathy	E11.359	18	0.318
Trauma
Concussion w/o loss of consciousness, sequelae	S06.0X0S	167	0.191	Any code reflecting major or severe head trauma has HCC weight.
Head injury with subdural hemorrhage	S06.6X6A	166	0.584
Hip fracture	S72.009A	170	0.418
Artificial openings
Tracheostomy status	Z93.0	82	1.055
Gastrostomy status	Z93.1	188	0.571
Colostomy status	Z93.3	188	0.571
Cystostomy status	Z93.5	188	0.571
Amputation status
Specify site	Z89.4-6	189	0.588	Lower limb only.
Major organ transplant
Heart transplant status	Z94.1	186	1.000	Can be any duration from surgery.
Lung transplant status	Z94.2	186	1.000
Liver transplant status	Z94.4	186	1.000
Excluded chronic conditions
Essential hypertension, hyperthyroidism or hypothyroidism, iron deficiency anemia, gastroesophageal reflux, osteoarthritis, and tobacco use.