What is the ICD-10 code for post zoster neuralgia?

The ICD-10 code for post zoster neuralgia is B02.22 for trigeminal involvement and B02.29 for other nervous system involvement.

How is postherpetic neuralgia documented?

Document postherpetic neuralgia by specifying the nerve involved, duration of pain (≥90 days), and relation to shingles.

ICD-10 Coding for Post-Zoster Neuralgia(B02.22, B02.2, B02.21)

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Learn about the ICD-10 coding for post zoster neuralgia, including documentation requirements, common pitfalls, and billing considerations.

Also known as:

Postherpetic NeuralgiaPHNPostzoster Neuralgia

Related ICD-10 Code Ranges

Complete code families applicable to Post-Zoster Neuralgia

A00-B99Primary Range

Certain infectious and parasitic diseases

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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
B02.22	Postherpetic trigeminal neuralgia	Use when there is confirmed trigeminal nerve involvement post-herpes zoster.	Persistent pain in trigeminal nerve distribution for ≥90 days post-herpes zoster MRI showing trigeminal ganglion enhancement
B02.29	Other postherpetic nervous system involvement	Use for postherpetic neuralgia affecting non-trigeminal dermatomes.	Persistent neuropathic pain in non-trigeminal dermatomes for ≥90 days post-herpes zoster

Primary ICD-10-CM Codes

Postherpetic trigeminal neuralgia

B02.22Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Trigeminal neuralgiaG50.0

Neuralgia, unspecifiedM79.2

Documentation & Coding Risks

Avoid these common issues when documenting Post-Zoster Neuralgia.

Failing to document pain duration

Impact

Clinical: Inaccurate diagnosis of postherpetic neuralgia., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement.

Mitigation

Use templates that prompt for pain duration., Educate providers on documentation requirements.

Using B02.22 without specifying trigeminal nerve involvement

Impact

Reimbursement: May lead to incorrect DRG assignment, affecting reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Ensure documentation clearly states trigeminal nerve involvement.

Confusing B02.29 with G53.0*

Impact

Reimbursement: Incorrect code may affect reimbursement rates., Compliance: Potential audit risk due to coding errors., Data Quality: Misrepresentation of clinical condition.

Mitigation

Use G53.0* only if 'postzoster' terminology is used by the provider.

Incorrect Code Usage

Impact

Using codes without proper documentation of nerve involvement or pain duration.

Mitigation

Implement regular audits and provider education.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with B02.22.

Primary Code

B02.22

Postherpetic trigeminal neuralgia

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ICD-10 codes6

Coding risks4

FAQs2

ICD-10 Coding for Post-Zoster Neuralgia(B02.22, B02.2, B02.21)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for post zoster neuralgia?

How is postherpetic neuralgia documented?

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