Convert to ICD-10-CM: 
795.4 converts approximately to:
- 2015/16 ICD-10-CM R89.7 Abnormal histological findings in specimens from other organs, systems and tissues
 ICD-9-CM Volume 2 Index entries containing back-references to 
795.4:
- Abnormal, abnormality, abnormalities - see also Anomaly histology NEC 795.4 histology NEC 795.4
 
- Findings, abnormal, without diagnosis (examination) (laboratory test) 796.4  histological NEC 795.4 histological NEC 795.4