2007 ICD-9-CM Procedure 78.8 Diagnostic procedures on bone, not elsewhere classified 78.8 is a non-specific code that should not be used to specify a procedure View the full Volume 3 78.* hierarchy 78.8 excludes: biopsy of bone (77.40-77.49) magnetic resonance imaging (88.94) microscopic examination of specimen from bone (91.51-91.59) radioisotope scan (92.14) skeletal x-ray (87.21-87.29, 87.43, 88.21-88.33) thermography (88.83)