R56 ICD-10-CM Code: Convulsions, not elsewhere classified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
R56Convulsions, not elsewhere classified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where R56 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
General symptoms and signs (R50-R69)
- 3
Category R56
Convulsions, not elsewhere classified
- 4
Code R56
Convulsions, not elsewhere classified
More specific choices
Codes under R56
R56 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for R56.
Code first
No “code first” instruction is listed for R56.
Use additional code
No “use additional code” instruction is listed for R56.
Excludes1
Conditions that should not be reported together with this code.
- dissociative convulsions and seizures (F44.5)
- epileptic convulsions and seizures (G40.-)
- newborn convulsions and seizures (P90)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for R56.
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code R56 mean?
R56 is the FY 2027 U.S. ICD-10-CM code for “Convulsions, not elsewhere classified.”
Is R56 a billable or specific ICD-10-CM code?
No. R56 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 R56 located in ICD-10-CM?
R56 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within General symptoms and signs (R50-R69) (R50–R69), under category R56, Convulsions, not elsewhere classified.
What coding notes are listed for R56?
No inclusion terms are listed for R56 in this reference record. No code-first instruction is listed. Excludes1 notes: dissociative convulsions and seizures (F44.5); epileptic convulsions and seizures (G40.-); newborn convulsions and seizures (P90). No Excludes2 note is listed.
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