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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services V01-V86 > Persons With Potential Health Hazards Related To Communicable Diseases V01-V09 > ICD-9-CM Diagnosis V09 Infection with drug-resistant microorganisms V09 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis V09.0 Infection with microorganisms resistant to penicillins V09.0 is a specific code that can be used to specify a diagnosis V09.0 contains 18 index entries ICD-9-CM Diagnosis V09.1 Infection with microorganisms resistant to cephalosporins and other b-lactam antibiotics V09.1 is a specific code that can be used to specify a diagnosis V09.1 contains 25 index entries ICD-9-CM Diagnosis V09.2 Infection with microorganisms resistant to macrolides V09.2 is a specific code that can be used to specify a diagnosis V09.2 contains 8 index entries ICD-9-CM Diagnosis V09.3 Infection with microorganisms resistant to tetracyclines V09.3 is a specific code that can be used to specify a diagnosis V09.3 contains 9 index entries ICD-9-CM Diagnosis V09.4 Infection with microorganisms resistant to aminoglycosides V09.4 is a specific code that can be used to specify a diagnosis V09.4 contains 9 index entries ICD-9-CM Diagnosis V09.5 Infection with microorganisms resistant to quinolones and fluoroquinolones V09.5 is a non-specific code that cannot be used to specify a diagnosis V09.5 contains 14 index entries ICD-9-CM Diagnosis V09.50 Without resistance to multiple quinolones and fluroquinolones V09.50 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.51 With resistance to multiple quinolones and fluroquinolones V09.51 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.6 Infection with microorganisms resistant to sulfonamides V09.6 is a specific code that can be used to specify a diagnosis V09.6 contains 10 index entries ICD-9-CM Diagnosis V09.7 Infection with microorganisms resistant to other specified antimycobacterial agents V09.7 is a non-specific code that cannot be used to specify a diagnosis V09.7 contains 14 index entries ICD-9-CM Diagnosis V09.70 Infection with microorganisms resistant to other specified antimycobacterial agents without resistance to multiple antimycobacterial agents V09.70 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.71 Infection with microorganisms resistant to other specified antimycobacterial agents with resistance to multiple antimycobacterial agents V09.71 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.8 Infection with microorganisms resistant to other specified drugs V09.8 is a non-specific code that cannot be used to specify a diagnosis V09.8 contains 38 index entries ICD-9-CM Diagnosis V09.80 Infection with microorganisms resistant to other specified drugs without resistance to multiple drugs V09.80 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.81 Infection with microorganisms resistant to other specified drugs with resistance to multiple drugs V09.81 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis V09.9 Infection with drug-resistant microorganisms unspecified Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration. Diminished or failed response of an organism, disease, or tissue to the intended effectiveness of a chemical or drug. Mechanisms, functions, activities, or processes exhibited by pathogens to withstand previously toxic drugs. OBSOLETE (was not defined before being made obsolete). Reference(s): GO:curators V09.9 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis V09.90 Infection with drug-resistant microorganisms unspecified without multiple drug resistance V09.90 is a specific code that can be used to specify a diagnosis V09.90 contains 1 index entry ICD-9-CM Diagnosis V09.91 Infection with drug-resistant microorganisms unspecified with multiple drug resistance Adaptation of tumor cells to anticancer drugs in ways that make the drugs less effective. Simultaneous resistance to a spectrum of unrelated drugs following exposure to a single agent. It may result from overexpression of the integral plasma membrane protein, P-glycoprotein. This adaptation of tumor cells to anticancer drugs, mediated by inactivation of the drug or removing it from the target tumor cells, tends to make the drugs less effective. Simultaneous resistance to several structurally and functionally distinct drugs. V09.91 is a specific code that can be used to specify a diagnosis V09.91 contains 2 index entries