What is the ICD-10 code for ulnar neuropathy?

The ICD-10 codes for ulnar neuropathy are G56.21 for the right upper limb, G56.22 for the left upper limb, and G56.23 for bilateral upper limbs.

How do you code bilateral ulnar neuropathy?

For bilateral ulnar neuropathy, use ICD-10 code G56.23, which specifies lesions of the ulnar nerve in both upper limbs.

When should E11.42 be used with ulnar neuropathy?

Use E11.42 when ulnar neuropathy is associated with diabetic polyneuropathy, indicating a causal relationship with diabetes.

ICD-10 Coding for Ulnar Neuropathy(G56.21, E11.42, E11.4)

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Explore detailed ICD-10 coding guidelines for ulnar neuropathy, including specific codes for laterality and associated conditions like diabetes.

Also known as:

Cubital Tunnel SyndromeUlnar Nerve Entrapment

Related ICD-10 Code Ranges

Complete code families applicable to Ulnar Neuropathy

G00-G99Primary Range

Diseases of the nervous system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
G56.21	Lesion of ulnar nerve, right upper limb	Use when documentation specifies right-sided ulnar neuropathy.	Numbness/tingling in right 4th and 5th digits Positive Tinel's sign at right elbow EDS showing conduction velocity <50 m/s across right elbow
G56.22	Lesion of ulnar nerve, left upper limb	Use when documentation specifies left-sided ulnar neuropathy.	Numbness/tingling in left 4th and 5th digits Positive Tinel's sign at left elbow EDS showing conduction velocity <50 m/s across left elbow
G56.23	Lesion of ulnar nerve, bilateral upper limbs	Use when documentation specifies bilateral ulnar neuropathy.	Numbness/tingling in both 4th and 5th digits Positive Tinel's sign at both elbows EDS showing conduction velocity <50 m/s across both elbows

Primary ICD-10-CM Codes

Lesion of ulnar nerve, right upper limb

G56.21Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Lesion of radial nerveG56.3

Causalgia of upper limbG56.4

Documentation & Coding Risks

Avoid these common issues when documenting Ulnar Neuropathy.

Failure to document laterality.

Impact

Clinical: Impacts treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation

Use templates that prompt for laterality., Educate clinicians on documentation requirements.

Using unspecified code G56.20 due to lack of laterality documentation.

Impact

Reimbursement: May lead to claim denials or reduced reimbursement., Compliance: Non-compliance with coding standards., Data Quality: Decreases accuracy of health records.

Mitigation

Ensure documentation specifies laterality (right, left, or bilateral).

Unspecified Codes

Impact

Using unspecified codes due to incomplete documentation.

Mitigation

Ensure complete and specific documentation.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with G56.21.

Primary Code

G56.21

Lesion of ulnar nerve, right upper limb

Quick Navigation

ICD-10 codes9

Coding risks3

FAQs3

ICD-10 Coding for Ulnar Neuropathy(G56.21, E11.42, E11.4)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for ulnar neuropathy?

How do you code bilateral ulnar neuropathy?

When should E11.42 be used with ulnar neuropathy?

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