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M79.602
ICD-10-CM
Left Upper Extremity Pain

Find information on left upper extremity pain diagnosis, including clinical documentation, medical coding, and healthcare resources. Learn about common causes, symptoms, and treatment options for left arm pain, shoulder pain, and hand pain. Explore ICD-10 codes, differential diagnosis, and best practices for accurate medical record keeping related to upper extremity pain. This resource provides valuable insights for healthcare professionals, coders, and patients seeking information on left upper extremity pain management.

Also known as

Left Arm Pain
Pain in Left Upper Limb

Diagnosis Snapshot

Key Facts
  • Definition : Discomfort or pain felt anywhere in the left arm, from shoulder to fingers.
  • Clinical Signs : Limited range of motion, numbness, tingling, swelling, weakness, or changes in temperature.
  • Common Settings : Rotator cuff injuries, arthritis, nerve compression (carpal tunnel), fractures, and tendinitis.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M79.602 Coding
M79.601

Pain in left shoulder

Pain localized to the left shoulder region.

M79.602

Pain in left upper arm

Pain localized to the left upper arm region.

M79.603

Pain in left forearm

Pain localized to the left forearm region.

M79.604

Pain in left hand

Pain localized to the left hand region.

Code-Specific Guidance

Decision Tree for

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

Is the pain due to trauma/injury?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Left Upper Extremity Pain
Left Shoulder Impingement Syndrome
Left Carpal Tunnel Syndrome

Documentation Best Practices

Documentation Checklist
  • Left upper extremity pain: Location, radiation, character
  • Onset, duration, frequency of left arm pain documented
  • Exacerbating and relieving factors for arm pain noted
  • Associated symptoms with left upper extremity pain
  • Impact of pain on ADLs and functional limitations

Coding and Audit Risks

Common Risks
  • Unspecified Pain Location

    Coding left upper extremity pain without specific site (shoulder, elbow, etc.) leads to inaccurate severity and reimbursement.

  • Lateralized Pain Missing

    Failing to document left vs right can cause incorrect coding and affect medical necessity for procedures.

  • Underlying Cause Uncoded

    Coding pain without addressing the underlying cause (e.g., arthritis, injury) misses comorbidities and impacts risk adjustment.

Mitigation Tips

Best Practices
  • Document precise LUE pain location for accurate ICD-10 coding (e.g., shoulder, elbow, wrist).
  • Specify pain characteristics (sharp, dull, radiating) for improved CDI and medical necessity.
  • Assess and document LUE ROM, strength, sensation for comprehensive evaluation and compliant billing.
  • Correlate LUE pain with relevant medical history (trauma, overuse) for justified diagnosis codes.
  • Review LUE imaging/test results and document findings for complete clinical picture and compliant coding.

Clinical Decision Support

Checklist
  • Rule out cardiac causes (ECG, troponin)
  • Assess for cervical radiculopathy symptoms
  • Palpate shoulder, elbow, wrist, and hand
  • Evaluate for neurovascular compromise

Reimbursement and Quality Metrics

Impact Summary
  • Left Upper Extremity Pain reimbursement hinges on accurate ICD-10 (M79.601, etc.) and CPT coding for procedures/treatments. Impacts:
  • Coding errors can lead to claim denials, reduced reimbursement, and revenue cycle delays.
  • Accurate coding ensures appropriate severity reflection, impacting MS-DRG assignment and hospital case mix index.
  • Proper documentation supports medical necessity reviews, minimizing audit risks and maximizing justifiable reimbursement.

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 common differential diagnoses for left upper extremity pain radiating to the hand in a patient with a history of trauma?

A: Left upper extremity pain radiating to the hand following trauma can indicate several conditions. Common differential diagnoses include cervical radiculopathy (often presenting with dermatomal sensory changes and potential motor weakness), brachial plexus injury (depending on the location of the injury, symptoms can range from sensory deficits to complete paralysis), peripheral nerve entrapment (such as carpal tunnel syndrome or cubital tunnel syndrome, often with specific sensory and motor deficits in the hand and forearm), and complex regional pain syndrome (CRPS) (characterized by disproportionate pain, edema, vasomotor instability, and trophic changes). Accurate diagnosis requires a thorough clinical evaluation, including a detailed history, physical examination focusing on neurological and musculoskeletal assessments, and potentially imaging studies like X-rays, MRI, or nerve conduction studies. Consider implementing a multimodal approach to pain management, including pharmacological and non-pharmacological interventions. Explore how S10.AI can assist in streamlining your diagnostic process for complex pain cases like these.

Q: How can I differentiate between musculoskeletal and neurological causes of non-traumatic left upper extremity pain in primary care?

A: Differentiating between musculoskeletal and neurological causes of non-traumatic left upper extremity pain requires careful assessment. Musculoskeletal sources, such as rotator cuff tendinitis, bicipital tendinitis, or epicondylitis, typically present with localized pain exacerbated by specific movements, palpation tenderness, and limited range of motion. Neurological causes, like cervical radiculopathy or peripheral neuropathy, often present with radiating pain, paresthesias, numbness, and potentially muscle weakness or reflex changes. A detailed neurological examination, evaluating sensory function, reflexes, and muscle strength, is crucial. Red flags such as bowel/bladder dysfunction, saddle anesthesia, rapidly progressive weakness, or signs of infection warrant urgent referral to a specialist. Learn more about how S10.AI can help integrate current clinical guidelines for diagnosing upper extremity pain into your workflow to enhance diagnostic accuracy.

Quick Tips

Practical Coding Tips
  • Code laterality: left arm pain
  • Document pain source, type, radiation
  • Specify joint, muscle, nerve involvement
  • Consider M79.604, C53.9, G54.0
  • Rule out referred pain, document

Documentation Templates

Patient presents with left upper extremity pain.  Onset of pain was [Date of onset] and is described as [quality of pain: e.g., sharp, dull, aching, burning, throbbing].  The pain is located in the [specific location: e.g., shoulder, upper arm, elbow, forearm, wrist, hand] and radiates to [area of radiation, if any].  The severity of pain is [pain scale rating: e.g., 2/10 on the visual analog scale].  Patient reports [aggravating factors: e.g., lifting, reaching overhead, movement, rest] exacerbates the pain, and [relieving factors: e.g., rest, ice, heat, medication] provides some relief.  Associated symptoms include [associated symptoms: e.g., numbness, tingling, weakness, swelling, limited range of motion].  Patient denies [pertinent negatives: e.g., fever, chills, trauma, recent illness].  Medical history includes [relevant medical history: e.g., hypertension, diabetes, arthritis, prior surgery].  Current medications include [list of medications].  Physical examination reveals [objective findings: e.g., tenderness to palpation, decreased range of motion, muscle weakness, edema, erythema].  Neurovascular examination is intact.  Differential diagnosis includes [differential diagnoses: e.g., rotator cuff tear, epicondylitis, carpal tunnel syndrome, cervical radiculopathy, brachial plexus injury].  Assessment: Left upper extremity pain, likely due to [presumptive diagnosis].  Plan:  [Treatment plan: e.g., NSAIDs for pain relief, physical therapy referral, imaging studies such as X-ray or MRI, referral to specialist if indicated].  Patient education provided regarding activity modification, pain management strategies, and follow-up care.  Return to clinic in [timeframe] for reassessment.