ICD-9-CM Volume 2 Index entries containing back-references to 
310.81:
- Disorder - see also Disease involuntary emotional expression (IEED) 310.81 involuntary emotional expression (IEED) 310.81
 
- IEED (involuntary emotional expression disorder) 310.81
- PBA (pseudobulbar affect) 310.81
- Pseudobulbar affect (PBA) 310.81