Table 2.

Conditions commonly associated with and/or predisposing to pulmonary non-tuberculous mycobacterial (PNTM) infection among secondary diagnoses when PNTM infection is the primary hospital discharge diagnosis (n=3,102)

ICD-10	Secondary diagnosis	Frequency	Percentage
J40–J47	Chronic lower respiratory diseases	1,671	53.9
J43, J44	COPD and emphysema	1,297	41.8
J96	Respiratory failure	633	20.4
Z29.0	Isolation care	533	17.2
R64	Cachexia	341	11.0
F17	Nicotine dependence	334	10.8
J09–J18	Influenza and pneumonia	300	9.7
J47	Bronchiectasis	199	6.4
B37	Candidiasis	189	6.1
B20–B24	Human immunodeficiency virus	172	5.5
B96.2	Escherichia coli as a causative agent	150	4.8
R04.2	Haemoptysis	135	4.4
A15–A19	Tuberculosis	125	4.0
F10	Alcohol-related disorders	116	3.7
I27	Pulmonary heart diseases	116	3.7
D38	Airway or chest neoplasm of uncertain or unknown behaviour	114	3.7
Z90.2	Acquired absence of (part of) lung	114	3.7
J84	Interstitial lung disease	112	3.6
U82.2	Resistance to one or more first-line antimycobacterial drugs	86	2.8
K21	Gastroesophageal reflux disease	85	2.7
J20–J22	Acute bronchitis and bronchiolitis	81	2.6
B90	Sequelae of tuberculosis	80	2.6
J90–J91	Pleural effusion	78	2.5
J60–J65	Pneumoconioses	72	2.3
M05–M06	Rheumatoid arthritis	70	2.3
B96.5	Pseudomonas aeruginosa as a causative agent	68	2.2
K50–K52	Inflammatory bowel diseases	67	2.2
B44	Aspergillosis	56	1.8
Z94	Transplanted organ or tissue status	54	1.7
B95.6	Staphylococcus aureus as a causative agent	51	1.6
A31.1–A31.9	Other non-tuberculous mycobacterial infections	49	1.6
C34	Lung cancer	49	1.6
D80–D84	Primary immunodeficiencies	41	1.3

COPD = chronic obstructive pulmonary disease; ICD-10 = International Classification of Diseases, 10th revision.