R94.0

Non-Billable

ChapterR00–R99

Ranksubcategory

Official Description

Abnormal results of function studies of central nervous system

Use a more specific code (3 billable)

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

General instructions are available for the parent sections:

BillableHas subcodes

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)

R94Abnormal results of function studies

R94.0Abnormal results of function studies of central nervous systemNot billable

R94.01Abnormal electroencephalogram [EEG]Billable

R94.02Abnormal brain scanBillable

R94.09Abnormal results of other function studies of central nervous systemBillable

The following parent sections contain instructions or notes that apply to R94.0:

categoryR94

Abnormal results of function studies

Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

2026

No direct MS-DRG triggers identified.

Find surgical and procedural codes related to Abnormal results of function studies of central nervous system.