G56.9 ICD-10-CM Code: Unspecified mononeuropathy of upper limb
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
G56.9Unspecified mononeuropathy of upper limb
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where G56.9 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Nerve, nerve root and plexus disorders (G50-G59)
- 3
Category G56
Mononeuropathies of upper limb
- 4
Code G56.9
Unspecified mononeuropathy of upper limb
More specific choices
Codes under G56.9
G56.9 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 G56.9.
Code first
No “code first” instruction is listed for G56.9.
Use additional code
No “use additional code” instruction is listed for G56.9.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for G56.9.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G56.9.
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 G56.9 mean?
G56.9 is the FY 2027 U.S. ICD-10-CM code for “Unspecified mononeuropathy of upper limb.”
Is G56.9 a billable or specific ICD-10-CM code?
No. G56.9 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 G56.9 located in ICD-10-CM?
G56.9 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Nerve, nerve root and plexus disorders (G50-G59) (G50–G59), under category G56, Mononeuropathies of upper limb.
What coding notes are listed for G56.9?
No inclusion terms are listed for G56.9 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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