R94.0
Abnormal results of function studies of central nervous system
Coding guidance (WHO 2019)
Abnormal electroencephalogram [EEG]
Sibling codes
R94Abnormal results of function studiesR94.1Abnormal results of function studies of peripheral nervous system and special sensesR94.2Abnormal results of pulmonary function studiesR94.3Abnormal results of cardiovascular function studiesR94.4Abnormal results of kidney function studiesR94.5Abnormal results of liver function studiesR94.6Abnormal results of thyroid function studiesR94.7Abnormal results of other endocrine function studiesR94.8Abnormal results of function studies of other organs and systems