2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Respiratory System 510-519 > Pneumothorax 512.* > 2008 ICD-9-CM Diagnosis 512.0 Spontaneous tension pneumothorax  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 Therefore, this code may be out of date.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 512.0 can be accessed here. 512.0 is a specific code that can be used to specify a diagnosis 512.0 contains 6 index entries View the ICD-9-CM Volume 1 512.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 512.0: Pneumothorax (acute) (chronic) 512.8 spontaneous 512.8 tension 512.0 tense valvular, infectional 512.0 tension 512.0 iatrogenic 512.1 postoperative 512.1 spontaneous 512.0 Tension pneumothorax 512.0 iatrogenic 512.1 spontaneous 512.0