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M79.639
ICD-10-CM
Forearm Pain

Experiencing forearm pain or forearm discomfort? This guide covers the diagnosis and clinical documentation of forearm pain, including differential diagnosis, ICD-10 codes related to pain in forearm, and medical coding best practices for healthcare professionals. Learn about common causes of forearm pain and find resources for accurate medical recordkeeping.

Also known as

Pain in Forearm
Forearm Discomfort

Diagnosis Snapshot

Key Facts
  • Definition : Discomfort or pain experienced in the forearm, between the elbow and wrist.
  • Clinical Signs : Tenderness, swelling, limited range of motion, numbness, tingling, weakness.
  • Common Settings : Sports injuries, repetitive strain, fractures, nerve compression, arthritis.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M79.639 Coding
M79.1

Myalgia

Muscle pain, including forearm pain.

M25.5

Pain in joint

Pain in the forearm joint, if specific joint is involved.

R52

Pain, unspecified

Generalized pain, which could include forearm discomfort if no other cause found.

Code-Specific Guidance

Decision Tree for

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

Is the forearm pain due to a fracture?

  • Yes

    Specify fracture site

  • No

    Is there nerve involvement (e.g., radial nerve entrapment)?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Pain in the forearm.
Tennis elbow (lateral epicondylitis).
Golfer's elbow (medial epicondylitis).

Documentation Best Practices

Documentation Checklist
  • Forearm pain laterality (right/left)
  • Onset date of forearm pain
  • Characterize forearm pain (sharp, dull, aching)
  • Location of forearm pain (proximal, distal)
  • Exacerbating/relieving factors

Coding and Audit Risks

Common Risks
  • Unspecified Laterality

    Coding forearm pain requires specifying right, left, or bilateral. Missing laterality can lead to claim denials and inaccurate data.

  • Underlying Cause Missing

    Forearm pain is a symptom. Coding should reflect the underlying diagnosis (e.g., carpal tunnel, epicondylitis) for accurate reimbursement.

  • Symptom vs. Diagnosis

    Pain documentation needs further investigation to identify the specific diagnosis. Coding only 'pain' may lead to underpayment and quality issues.

Mitigation Tips

Best Practices
  • RICE method (Rest, Ice, Compression, Elevation)
  • Ergonomic workstation setup for proper forearm support
  • Regular stretching and strengthening exercises for forearms
  • Avoid repetitive movements and prolonged gripping activities
  • Consult physician for diagnosis, pain management, and therapy

Clinical Decision Support

Checklist
  • Rule out fracture: Palpate, assess ROM, order X-ray if needed
  • Assess for nerve compression: Evaluate for sensory/motor deficits
  • Consider epicondylitis: Lateral vs. medial, palpate for tenderness
  • Differential diagnosis: CTS, tendonitis, radial tunnel syndrome

Reimbursement and Quality Metrics

Impact Summary
  • Forearm Pain (F): Coding accuracy impacts reimbursement for diagnosis codes related to forearm pain, such as epicondylitis, radial tunnel syndrome, and ulnar neuropathy. Proper documentation is crucial.
  • Forearm Pain (F): Accurate coding and documentation improve hospital reporting metrics, including case mix index (CMI) and average length of stay (ALOS).
  • Forearm Pain (F): Optimized medical billing for forearm pain ensures appropriate reimbursement from payers like Medicare and private insurance based on ICD-10 codes. Keyword: medical billing reimbursement
  • Forearm Pain (F): Quality metrics for forearm pain diagnosis are improved by accurate coding, affecting physician performance reporting and value-based care.

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 key differential diagnoses to consider when a patient presents with acute forearm pain after a fall, and how can I differentiate between them?

A: Acute forearm pain following a fall necessitates a thorough evaluation to differentiate between various potential diagnoses. Common differentials include fractures (radius, ulna, or both), dislocations (especially at the elbow or wrist), soft tissue injuries (sprains, strains, contusions), and compartment syndrome. Distinguishing features include the mechanism of injury, location and nature of pain, presence of deformity or swelling, neurovascular status, and imaging findings (X-ray, CT scan, MRI if indicated). For instance, point tenderness over the anatomical snuffbox raises suspicion for a scaphoid fracture, even if initial X-rays appear negative. Careful assessment of distal radial and ulnar pulses is crucial to rule out vascular compromise. Explore how advanced imaging techniques can help in complex cases where initial X-rays are inconclusive. Consider implementing a standardized assessment protocol for suspected forearm injuries to ensure a systematic approach.

Q: How can I effectively evaluate and manage chronic forearm pain with no history of trauma in a middle-aged patient, considering potential non-traumatic causes like nerve entrapment or overuse syndromes?

A: Chronic forearm pain without a history of trauma requires a comprehensive approach to identify potential non-traumatic etiologies. In middle-aged patients, consider overuse syndromes such as lateral epicondylitis (tennis elbow) or medial epicondylitis (golfer's elbow), nerve entrapment syndromes (e.g., pronator teres syndrome, radial tunnel syndrome), and referred pain from cervical radiculopathy. Thorough history taking should explore occupational activities, hobbies, and any aggravating or relieving factors. Physical examination should assess for pain with resisted wrist extension or flexion, Tinel's sign, and Phalen's maneuver. Electrodiagnostic studies can be helpful in confirming nerve entrapment. Conservative management often involves rest, ice, compression, elevation (RICE), physical therapy, and activity modification. Learn more about targeted injection therapies for managing persistent pain and inflammation. Consider implementing ergonomic modifications for patients whose symptoms are exacerbated by work-related activities.

Quick Tips

Practical Coding Tips
  • Code forearm pain laterality
  • Document pain onset, duration
  • Rule out related diagnoses
  • Specify pain characteristics
  • Consider 729.5 for NOS

Documentation Templates

Patient presents with chief complaint of forearm pain, also described as forearm discomfort and pain in forearm.  Onset of symptoms is [onset duration and context - e.g., gradual over the past two weeks, sudden onset after lifting a heavy object].  Pain location is localized to the [specify location - e.g., right proximal forearm, left distal forearm, volar aspect of the left forearm] and is characterized as [pain quality - e.g., sharp, dull, aching, throbbing, burning].  Patient reports [pain intensity - e.g., mild, moderate, severe] pain, rated [pain scale rating - e.g., 4/10 on the numerical rating scale].  Aggravating factors include [list aggravating factors - e.g., wrist flexion, gripping, lifting, repetitive movements].  Alleviating factors include [list alleviating factors - e.g., rest, ice, elevation].  Associated symptoms include [list associated symptoms - e.g., numbness, tingling, weakness, swelling, limited range of motion, clicking or popping sensation in the wrist or elbow].  Patient denies [list pertinent negatives - e.g., fever, chills, trauma, recent illness].  Physical examination reveals [objective findings - e.g., tenderness to palpation over the [affected area], mild swelling, full range of motion in the elbow and wrist, normal neurological exam].  Differential diagnosis includes [list potential diagnoses - e.g., muscle strain, tendonitis, epicondylitis, nerve entrapment, fracture].  Plan includes [list treatment plan - e.g., RICE therapy (rest, ice, compression, elevation), over-the-counter pain medication (e.g., ibuprofen), referral for physical therapy, further diagnostic testing (e.g., X-ray, MRI) if indicated].  Patient education provided regarding [list patient education topics - e.g., activity modification, pain management strategies, proper body mechanics].  Follow-up scheduled in [follow-up duration - e.g., one week, two weeks] to assess response to treatment and reassess symptoms.  ICD-10 code: [appropriate ICD-10 code, e.g., M77.11].
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