2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services V01-V86 > Persons With A Condition Influencing Their Health Status V40-V49 > Other Dependence On Machines V46.* > 2008 ICD-9-CM Diagnosis V46.13 Encounter for weaning from respirator [weaning]  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM V46.13 can be accessed here. V46.13 is a specific code that can be used to specify a diagnosis V46.13 contains 6 index entries View the ICD-9-CM Volume 1 V46.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing V46.13: Admission (encounter) for respirator [ventilator] dependence for weaning V46.13 Dependence on respirator [ventilator] V46.11 encounter for weaning V46.13 Encounter for - see also Admission for respirator [ventilator] dependence for weaning V46.13 weaning from respirator [ventilator] V46.13 Status (post) respirator [ventilator]V46.11 encounter for weaning V46.13 ventilator [respirator] V46.11 encounter for weaning V46.13