R94 ICD-10-CM Code: Abnormal results of function studies
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
R94Abnormal results of function studies
ICD-10-CM diagnosis code · United States clinical modification
Where R94 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
- 3
Category R94
Abnormal results of function studies
- 4
Code R94
Abnormal results of function studies
Codes under R94
R94 is a non-billable category. Choose the child code that best matches the documented diagnosis.
R94.0Abnormal results of function studies of central nervous systemR94.1Abnormal 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 systemsNotes for this code
Inclusion terms
No inclusion terms are listed for R94.
Code first
No “code first” instruction is listed for R94.
Use additional code
No “use additional code” instruction is listed for R94.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for R94.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for R94.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code R94 mean?
R94 is the FY 2027 U.S. ICD-10-CM code for “Abnormal results of function studies.”
Is R94 a billable or specific ICD-10-CM code?
No. R94 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is R94 located in ICD-10-CM?
R94 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94) (R90–R94), under category R94, Abnormal results of function studies.
What coding notes are listed for R94?
No inclusion terms are listed for R94 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.