R94.1 – Abnormal results of function studies of peripheral nervous system and special senses
ICD-10-CM 2027 diagnosis code · Abnormal findings on diagnostic imaging and in function studies, without diagnosis
- Code
R94.1(claims format:R941)- Description
- Abnormal results of function studies of peripheral nervous system and special senses
- Short description
- Abn results of functn studies of prph nrv sys & specl senses
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R90-R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis
- Parent codes
- R94
Billable codes under R94.1
R94.1 is a header code and cannot be used on claims. Choose the most specific code:
- R94.11 – Abnormal results of function studies of eyeHeader (more codes below)
- R94.12 – Abnormal results of function studies of ear and other special sensesHeader (more codes below)
- R94.13 – Abnormal results of function studies of peripheral nervous systemHeader (more codes below)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R94 – Abnormal results of function studies
- abnormal results of radionuclide [radioisotope] uptake studies
- abnormal results of scintigraphy
Block R90-R94
- nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
- nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
- nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
- nonspecific abnormal findings on diagnostic imaging by thermography
- nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
- nonspecific abnormal findings on diagnostic imaging by X-ray examination
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Related codes in R94
- R94.0 – Abnormal results of function studies of central nervous systemHeader
- R94.2 – Abnormal results of pulmonary function studiesBillable
- R94.3 – Abnormal results of cardiovascular function studiesHeader
- R94.4 – Abnormal results of kidney function studiesBillable
- R94.5 – Abnormal results of liver function studiesBillable
- R94.6 – Abnormal results of thyroid function studiesBillable
- R94.7 – Abnormal results of other endocrine function studiesBillable
- R94.8 – Abnormal results of function studies of other organs and systemsBillable
Frequently asked questions
What is ICD-10 code R94.1?
R94.1 is the ICD-10-CM code for abnormal results of function studies of peripheral nervous system and special senses, in the block R90-R94 (Abnormal findings on diagnostic imaging and in function studies, without diagnosis).
Is R94.1 a billable code?
No. R94.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does R94.1 belong to?
It belongs to category R94 – Abnormal results of function studies.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.