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M79.632
ICD-10-CM
Pain in Left Forearm

Experiencing left forearm pain? This guide covers potential diagnoses, including carpal tunnel syndrome, epicondylitis, cubital tunnel syndrome, and radial tunnel syndrome. Learn about related symptoms, diagnostic tests like EMG and nerve conduction studies, ICD-10 codes (M79.1, G56, etc.), clinical documentation best practices, and differential diagnosis considerations for accurate medical coding and healthcare documentation. Find information on muscle strain, nerve compression, and other causes of left forearm pain for effective patient care.

Also known as

Left Forearm Pain
Forearm Pain - Left

Diagnosis Snapshot

Key Facts
  • Definition : Discomfort or soreness in the lower left arm, from elbow to wrist.
  • Clinical Signs : Tenderness, swelling, limited range of motion, numbness, tingling.
  • Common Settings : Sports injuries, repetitive strain, nerve compression, fractures.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M79.632 Coding
M79.12

Pain in left forearm

Pain localized to the left forearm.

M79.1

Pain in limb

Pain in an upper or lower limb, unspecified.

M79.A

Neuralgia and neuritis, unspecified

Nerve pain that may be relevant if forearm pain is nerve-related.

M54-M54.9

Dorsalgia

Back pain which may radiate to the arm if its the underlying cause.

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?

  • Yes

    Fracture confirmed?

  • No

    Radiculopathy/entrapment?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Pain in Left Forearm
Left Forearm Strain
Left Forearm Tendinitis

Documentation Best Practices

Documentation Checklist
  • Left forearm pain onset, duration, character
  • Location, radiation of forearm pain
  • Exacerbating/relieving factors documented
  • Associated symptoms: numbness, tingling, weakness
  • Physical exam: ROM, tenderness, neurovascular status

Mitigation Tips

Best Practices
  • Thorough HPI: Location, onset, quality, radiation, modifiers. ICD-10, M79.1
  • Document nerve exam findings: Sensory, motor, reflexes. CDI, CPT coding
  • R/O cardiac cause: EKG if indicated per guidelines. Healthcare compliance
  • Consider MSK vs. neurogenic cause: X-ray, EMG/NCS. ICD-10, M54, G56
  • Document response to treatment & plan: Medical necessity, compliance

Clinical Decision Support

Checklist
  • Rule out cardiac ischemia (ICD-10 I20-I25): ECG, troponin
  • Assess for nerve compression (ICD-10 G56): Phalen's, Tinel's
  • Palpate for radial/ulnar fx (ICD-10 S52): X-ray if tenderness
  • Consider musculoskeletal causes (ICD-10 M79.1): ROM, palpation

Reimbursement and Quality Metrics

Impact Summary
  • Reimbursement and Quality Metrics Impact Summary: Pain in Left Forearm
  • ICD-10 Codes: M79.101 (Unspecified), M79.102 (Traumatic), others if applicable. Accurate coding maximizes reimbursement.
  • Impact 1: Proper laterality coding (left vs. right) impacts billing accuracy.
  • Impact 2: Clear documentation of cause (e.g., injury, overuse) supports specific diagnosis codes and medical necessity.
  • Impact 3: Chronic vs. acute pain coding affects treatment plans, cost, and quality metrics reporting (e.g., pain management effectiveness).

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.

Quick Tips

Practical Coding Tips
  • Code laterality: left forearm
  • Document pain characteristics
  • Rule out cardiac causes
  • Consider nerve entrapment
  • Check for injury documentation

Documentation Templates

Patient presents with complaints of left forearm pain.  Onset of pain is described as (acute, subacute, chronic) and began (duration) ago.  Patient reports the pain is (character: sharp, dull, aching, throbbing, burning, electric, radiating) and located in the (specific location: proximal, distal, volar, dorsal, radial, ulnar) aspect of the left forearm.  Pain severity is reported as (scale: 0-10, mild, moderate, severe) and is aggravated by (aggravating factors: movement, palpation, rest, specific activities such as lifting, gripping, twisting).  Alleviating factors include (alleviating factors: rest, ice, heat, medication, splinting).  Associated symptoms include (associated symptoms: numbness, tingling, weakness, swelling, redness, warmth, limited range of motion).  Medical history includes (relevant medical history: diabetes, arthritis, prior trauma, carpal tunnel syndrome, cubital tunnel syndrome, cervical radiculopathy).  Social history includes (relevant social history: occupation, hobbies, smoking status).  Physical examination reveals (objective findings: tenderness to palpation, swelling, erythema, decreased range of motion, muscle weakness, sensory deficits).  Differential diagnosis includes (differential diagnosis: muscle strain, tendonitis, epicondylitis, nerve compression, fracture, referred pain).  Assessment: Left forearm pain, likely due to (working diagnosis).  Plan:  (diagnostic tests: X-ray, MRI, EMG, nerve conduction studies), (treatment: pain medication such as NSAIDs or opioids, physical therapy, occupational therapy, splinting, corticosteroid injection), patient education on activity modification and follow-up appointment in (duration) to reassess.