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M79.2
ICD-10-CM
Neuritis

Find information on neuritis diagnosis, including clinical documentation requirements, ICD-10 codes (like G50-G64), medical coding guidelines, and healthcare provider resources. Learn about neuritis symptoms, causes, treatment, and peripheral neuropathy related coding for accurate medical record keeping. Explore resources for neurological exam documentation, nerve conduction studies, EMG findings, and differential diagnosis related to neuritis pain management and treatment options.

Also known as

Nerve inflammation
Peripheral neuritis

Diagnosis Snapshot

Key Facts
  • Definition : Nerve inflammation causing pain, numbness, tingling, or weakness.
  • Clinical Signs : Sensory changes, muscle weakness, reduced reflexes, burning or stabbing pain.
  • Common Settings : Post-infection, autoimmune disorders, physical trauma, or compressed nerves.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M79.2 Coding
G50-G59

Nerve root and plexus disorders

Covers various nerve compressions, inflammations, and other disorders.

G60-G64

Polyneuropathies and other disorders of the PNS

Includes conditions affecting multiple peripheral nerves.

M79.2

Neuralgia and neuritis, unspecified

Specific code for unspecified neuralgia and neuritis.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the neuritis traumatic?

  • Yes

    Site specified?

  • No

    Infectious?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Nerve inflammation, often causing pain, numbness, weakness.
Inflammation of the optic nerve, causing vision loss.
Peripheral nerve damage, often causing numbness, tingling, weakness.

Documentation Best Practices

Documentation Checklist
  • Neuritis diagnosis: ICD-10 code, laterality
  • Document symptom onset, duration, location
  • Physical exam: sensory/motor deficits
  • Diagnostic tests: EMG/NCS findings
  • Differential diagnosis considered, ruled out

Coding and Audit Risks

Common Risks
  • Unspecified Neuritis

    Coding neuritis without laterality or specific site leads to unspecified codes, impacting reimbursement and data accuracy. Use of unspecified codes may trigger audits.

  • Documentation Issues

    Insufficient documentation of neuritis etiology or clinical findings can hinder accurate code assignment and CDI efforts. Poor documentation can also lead to denials.

  • Mononeuropathy vs. Polyneuropathy

    Miscoding mononeuropathies (single nerve) as polyneuropathies (multiple nerves) or vice versa affects data integrity and potential payment. This discrepancy is a frequent audit target.

Mitigation Tips

Best Practices
  • Document nerve-specific details (ICD-10 G5x.x) for accurate coding.
  • Specify neuritis etiology (e.g., toxic, infection, compression) for CDI.
  • EMG/NCS studies improve diagnostic specificity, supporting medical necessity.
  • Corroborate subjective findings with objective evidence for compliant billing.
  • Detailed history and physical exam support accurate neuritis subtype diagnosis.

Clinical Decision Support

Checklist
  • Confirm localized pain/weakness: rule out systemic cause (ICD-10 G50-G64)
  • Check nerve conduction study/EMG results for demyelination/axonal loss
  • Assess for infectious/autoimmune triggers: document related diagnoses (SNOMED CT)
  • Review medication history: identify potential neurotoxic drug causes
  • Evaluate pain management: non-opioid analgesics first (patient safety)

Reimbursement and Quality Metrics

Impact Summary
  • Neuritis reimbursement hinges on accurate ICD-10 coding (G5x series) and appropriate documentation supporting medical necessity for optimal payment.
  • Coding quality directly impacts neuritis claims. Incorrect codes can lead to denials, impacting revenue cycle management and hospital finances.
  • Neuritis reporting affects hospital quality metrics related to pain management, patient outcomes, and potentially readmission rates.
  • Proper documentation of neuritis type and severity influences case mix index (CMI), impacting hospital reimbursement levels.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective differential diagnostic strategies for distinguishing neuritis from other neuropathic pain conditions like radiculopathy in a clinical setting?

A: Differentiating neuritis from radiculopathy requires a multi-faceted approach. While both present with neuropathic pain, neuritis involves inflammation of a peripheral nerve, whereas radiculopathy stems from spinal nerve root compression. Key differentiators include the distribution of pain (neuritis follows a specific peripheral nerve pathway while radiculopathy often radiates along a dermatome), associated neurological deficits (e.g., weakness, sensory loss), and provocative maneuvers. Electrodiagnostic studies, such as nerve conduction studies and electromyography, can be crucial in confirming neuritis by revealing localized nerve dysfunction without evidence of radicular involvement. Imaging studies, such as MRI of the spine, may be helpful to rule out radiculopathy caused by disc herniation or spinal stenosis. Consider implementing a thorough neurological examination, including sensory testing, reflex assessment, and muscle strength evaluation, to accurately pinpoint the affected nerve and distinguish neuritis from radiculopathy. Explore how incorporating advanced imaging techniques, like MRI neurography, can provide detailed visualization of peripheral nerves and further aid in diagnosis. Learn more about specific clinical presentations and electrodiagnostic patterns associated with different types of neuritis and radiculopathy to enhance diagnostic accuracy.

Q: How can I accurately identify and manage drug-induced neuritis, considering the increasing prevalence of polypharmacy in older adult patients?

A: Drug-induced neuritis is a growing concern, particularly with the rise of polypharmacy in the elderly. Many medications, including certain chemotherapeutic agents, antiretrovirals, and antibiotics, can induce peripheral neuropathy. Accurate identification hinges on a detailed medication review, correlating the onset of neuropathic symptoms with the introduction of new drugs. Temporal relationships and a thorough clinical assessment are crucial for suspicion. Distinguishing drug-induced neuritis from other causes requires excluding alternative etiologies through appropriate investigations, including blood tests, imaging studies, and electrodiagnostic studies. Management primarily focuses on discontinuing or adjusting the offending medication, if possible, in consultation with other specialists. Symptomatic treatment options include gabapentinoids, tricyclic antidepressants, and topical analgesics. Consider implementing a structured medication review process for at-risk patients to proactively identify and mitigate the risk of drug-induced neuritis. Explore how pharmacogenomic testing may help identify patients at increased risk of developing drug-induced neuropathy. Learn more about the specific neurotoxic profiles of commonly prescribed medications to facilitate early recognition and prompt management.

Quick Tips

Practical Coding Tips
  • Code specific neuritis site
  • Document etiology for neuritis
  • Validate laterality: left/right/bilateral
  • Consider GBS exclusion if diffuse
  • Check for related diagnoses: diabetes, trauma

Documentation Templates

Patient presents with complaints consistent with neuritis, characterized by peripheral nerve pain.  Onset of symptoms was [duration] ago and is described as [quality of pain: e.g., burning, stabbing, shooting, aching].  The pain is located in the [location of pain: e.g., arm, leg, face] and is [severity of pain: e.g., mild, moderate, severe] in intensity.  Associated symptoms include [list associated symptoms: e.g., numbness, tingling, muscle weakness, sensitivity to touch].  Patient denies [list pertinent negatives: e.g., fever, trauma, recent infection].  Physical examination reveals [objective findings: e.g., decreased sensation to light touch in affected area, reduced muscle strength, positive Tinel's sign].  Differential diagnoses include radiculopathy, peripheral neuropathy, and nerve compression.  Impression is neuritis, likely [type of neuritis if known: e.g., brachial, optic, vestibular].  Plan includes [diagnostic tests if any: e.g., electromyography, nerve conduction study, MRI] and treatment with [treatment plan: e.g., pain medication such as NSAIDs or gabapentin, physical therapy, corticosteroids].  Patient education provided regarding neuritis causes, symptoms, treatment options, and prognosis.  Follow-up scheduled in [duration] to assess response to treatment and adjust management as needed.  ICD-10 code [relevant ICD-10 code] is considered.  Medical billing and coding will reflect the evaluation and management services provided.