ICD-9-CM Volume 2 Index entries containing back-references to 
254.1:
- Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9

thymus (gland) 254.1
 - Suppuration, suppurative - see also condition
thymus (gland) 254.1