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R52
ICD-10-CM
Axillary Pain

Understanding axillary pain, also known as underarm pain or armpit pain, is crucial for accurate clinical documentation and medical coding. This resource provides information on diagnosing and documenting axillary pain, covering potential causes, associated symptoms, and relevant ICD-10 codes for healthcare professionals. Learn about the proper terminology and documentation practices for axillary pain to ensure accurate patient care and efficient medical coding.

Also known as

Underarm Pain
Armpit Pain

Diagnosis Snapshot

Key Facts
  • Definition : Pain in the armpit area, ranging from mild to severe.
  • Clinical Signs : Tenderness, swelling, limited arm movement, skin changes, palpable lumps.
  • Common Settings : Muscle strain, swollen lymph nodes, infection, nerve compression, breast cancer.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R52 Coding
M79.601

Pain in right axilla

Pain localized to the right armpit region.

M79.602

Pain in left axilla

Pain localized to the left armpit region.

R52.2

Pain, unspecified

Generalized pain without a specific location.

M79.1

Myalgia

Muscle pain which could include the axillary region if specified elsewhere.

Code-Specific Guidance

Decision Tree for

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

Is the axillary pain due to a direct injury or trauma?

  • Yes

    Is there a fracture?

  • No

    Is there lymphadenopathy?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Pain in the armpit region.
Swollen lymph nodes in the armpit.
Inflammation of axillary sweat glands.

Documentation Best Practices

Documentation Checklist
  • Axillary pain onset, duration, character
  • Location, laterality (right, left, bilateral)
  • Aggravating/relieving factors documented
  • Associated symptoms (e.g., rash, swelling)
  • Physical exam findings (palpation, ROM)

Coding and Audit Risks

Common Risks
  • Laterality Unspecified

    Coding axillary pain requires specifying right, left, or bilateral. Unspecified laterality leads to coding errors and claim denials.

  • Underlying Cause Missing

    Axillary pain is a symptom. Coding should reflect the underlying diagnosis (e.g., lymphadenopathy, muscle strain) for accurate reimbursement.

  • Specificity Overlooked

    Generalized pain coding lacks clinical detail. CDI should query for specifics to support more precise diagnoses and justify higher-level services.

Mitigation Tips

Best Practices
  • Rule out cardiac cause, document ECG. ICD-10: R53.83
  • Check for lymphadenopathy, infections. SNOMED CT: 247073000
  • Assess for musculoskeletal injury, document ROM. ICD-10: M79.601
  • Consider nerve compression, brachial plexus. ICD-10: G54.0
  • Evaluate skin for rash, inflammation. SNOMED CT: 441963002

Clinical Decision Support

Checklist
  • Review patient history for trauma, infection, or lymphadenopathy.
  • Palpate axillary region for masses, tenderness, or skin changes.
  • Assess range of motion and neurovascular status of affected arm.
  • Consider imaging (ultrasound, mammogram) if clinically indicated.
  • Rule out cardiac etiology with ECG if chest pain present.

Reimbursement and Quality Metrics

Impact Summary
  • Medical billing code accuracy for Axillary Pain (ICD-10 M79.601, M79.602) impacts reimbursement.
  • Proper coding of Underarm/Armpit Pain improves hospital reporting and data quality.
  • Accurate Axillary Pain diagnosis coding maximizes claim acceptance and reduces denials.
  • Quality metrics for pain management are improved by precise coding and documentation of Axillary Pain.

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 for axillary pain radiating down the arm in a patient with a history of strenuous activity?

A: Axillary pain radiating down the arm, especially after strenuous activity, can indicate several conditions. Muscle strains or tears of the pectoralis major, latissimus dorsi, or rotator cuff muscles should be high on the differential diagnosis list. Nerve compression syndromes, such as thoracic outlet syndrome (TOS) or brachial plexus neuropathy, can also present with similar symptoms and should be considered, particularly if the patient reports numbness, tingling, or weakness. Furthermore, referred pain from the cervical spine or shoulder joint pathology needs to be ruled out. A thorough physical exam, including neurological assessment and range-of-motion testing, alongside imaging studies like X-rays or MRI if indicated, is crucial for accurate diagnosis. Explore how a comprehensive assessment can help differentiate these conditions and guide appropriate management.

Q: How can clinicians effectively differentiate between musculoskeletal and neurological causes of chronic axillary pain when evaluating a patient?

A: Distinguishing between musculoskeletal and neurological origins of chronic axillary pain requires a multi-faceted approach. Musculoskeletal causes, like rotator cuff tendinitis or frozen shoulder, often present with pain localized to the shoulder and axillary region, exacerbated by movement. Neurological causes, like brachial plexus neuropathy or intercostobrachial neuralgia, may involve sensory changes such as numbness, tingling, or burning sensations radiating down the arm. A detailed history focusing on the onset, character, and aggravating/relieving factors of the pain is essential. Specific physical examination maneuvers, such as Spurling's test for cervical radiculopathy or Roos test for TOS, can further aid in the differentiation. Electrodiagnostic studies, including nerve conduction studies and electromyography, may be necessary to confirm a neurological diagnosis. Consider implementing a structured evaluation protocol to streamline the diagnostic process for chronic axillary pain. Learn more about specialized tests for nerve entrapment syndromes.

Quick Tips

Practical Coding Tips
  • Code axillary pain, not arm pain
  • Check laterality: right, left, bilateral
  • Ruling out cardiac is crucial
  • Document pain characteristics
  • Consider related lymphadenopathy

Documentation Templates

Patient presents with complaints of axillary pain, also described as underarm pain or armpit pain.  Onset of pain was [onset duration] and is characterized as [pain quality: e.g., sharp, dull, aching, burning, throbbing].  Pain severity is [pain scale rating, e.g., 4/10 on a numerical rating scale].  The pain is [pain frequency: e.g., constant, intermittent, episodic] and is [exacerbating/relieving factors: e.g., aggravated by movement of the arm, relieved by rest].  Patient denies any history of trauma, injury, or surgery to the affected area.  Review of systems includes [relevant positive and negative findings].  Physical examination reveals [objective findings: e.g., tenderness to palpation in the axilla, palpable lymph nodes, limited range of motion].  Differential diagnosis includes but is not limited to muscle strain, lymphadenopathy, peripheral neuropathy, brachial plexus compression, and referred pain from the shoulder or neck.  Diagnostic workup may include [diagnostic tests: e.g., complete blood count, ultrasound, mammogram, MRI].  Initial treatment plan consists of [treatment interventions: e.g., over-the-counter pain relievers, ice/heat therapy, rest, physical therapy referral].  Patient education provided regarding activity modification and follow-up care.  Follow-up scheduled in [duration] to assess response to treatment and further evaluate if necessary.  ICD-10 code considerations include [relevant ICD-10 codes: e.g., M79.601, R59.8, etc. based on exam findings].  Medical necessity for evaluation and treatment established based on patient's reported symptoms and clinical findings.
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