Appendix: Diagnosis and Procedure Codes ICD-9-CM

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Appendix: Diagnosis and Procedure Codes

Diagnoses/Procedures ICD-9-CM Codes CCS Codes

Diagnoses Pregnancy- and delivery-related

hospitalizations

630-679, 792.3, 796.5, V22- V24, V27-V28, V61.6,V61.7, V65.11, V72.42, V89, V91

HIV Infection 5

Pneumocystis jiroveci pneumonia (PCP) 136.3

Pneumonia 487.0 122 (excluding 517.1,

136.3) Pneumococcal disease (including

pneumococcal septicemia, pneumonia, meningitis and pericarditis)

038.2, 481, 320.1, 420.99

Bacterial infections/Sepsis 2, 3, 92, 124, 125, 135,

159, 197, 201, 247, 248

Mycoses 4

Mycobacterium avium complex infections 031.0, 031.2, 031.8, 031.9 Cytomegalovirus infections 078.5, 573.1, 484.1 Varicella/Herpes Zoster infections^* 052, 053

Lymphocytic interstitial pneumonia 516.8

Influenza^* 487, 488

Methicillin-resistant Staphylococcus aureus (MRSA)^*

V09.0, 038.12, 041.12, 482.42 Procedures

Injection of antibiotic 99.21

Diagnostic spinal tap 03.31

Esophagogastroduodenoscopy 45.16

Percutaneous gastrostomy 43.11, 43.19 Transfusion of packed red blood cells 99.04

Bronchoscopy 33.2 (2,3,4,7)

ICD-9-CM - International Classification of Diseases, 9

^th

revision, Clinical Modification CCS - Clinical Classification Software

*

ICD-9-CM codes were updated annually, and changes were effective on October 1

^st

. A few codes included in the analysis were not in use consistently throughout the study period:

 Varicella/Herpes Zoster codes: 052.2 and 053.14 began in 2006;

 Influenza codes: 488 began in 2007 and ended in 2009; 488.0 and 488.1 began in 2009 and ended in 2010, 488 (01, 02, 09, 11, 12, 19) began in 2010; and 488 (81, 82, 89) began in 2011;

Appendix: Diagnosis and Procedure Codes ICD-9-CM