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M35.3
ICD-10-CM
Polymyalgia Rheumatica

Find key information on Polymyalgia Rheumatica diagnosis, including clinical documentation requirements, ICD-10 code M35.3, medical coding guidelines, and healthcare provider resources. Learn about symptoms, differential diagnosis considerations, and treatment options for PMR. This resource supports accurate medical record keeping and billing practices for Polymyalgia Rheumatica.

Also known as

PMR

Diagnosis Snapshot

Key Facts
  • Definition : Inflammatory disorder causing muscle pain and stiffness, especially in the shoulders and hips.
  • Clinical Signs : Morning stiffness, aching, fatigue, fever, weight loss. Affects older adults.
  • Common Settings : Primary care, rheumatology. Diagnosed with physical exam, blood tests (ESR, CRP).

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M35.3 Coding
M35.3

Polymyalgia rheumatica

Inflammatory disorder causing muscle pain and stiffness.

M00-M99

Diseases of the musculoskeletal system and connective tissue

Covers various conditions affecting bones, joints, muscles, and connective tissues.

M30-M36

Systemic connective tissue disorders

Includes conditions like lupus, scleroderma, and polymyositis.

Code-Specific Guidance

Decision Tree for

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

Is the diagnosis Polymyalgia Rheumatica?

  • Yes

    Is giant cell arteritis present?

  • No

    Do NOT code for Polymyalgia Rheumatica. Consider other diagnoses.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Severe shoulder/hip stiffness, age 50+
Giant cell arteritis (GCA)
Rheumatoid arthritis (RA)

Documentation Best Practices

Documentation Checklist
  • Polymyalgia Rheumatica diagnosis: Document morning stiffness duration.
  • Document location and characteristics of pain (e.g., bilateral shoulder pain).
  • Include age 50+ in documentation for PMR diagnosis.
  • Document exclusion of other conditions mimicking PMR symptoms.
  • Record patient response to glucocorticoid treatment for PMR.

Coding and Audit Risks

Common Risks
  • Unspecified PMR Code

    Using M35.5 (Polymyalgia rheumatica) without documenting specific features risks downcoding and lost revenue. Specificity is key for accurate PMR coding.

  • Giant Cell Arteritis Overlap

    Concurrent GCA (M31.5) and PMR requires distinct coding for both. Missing GCA codes impacts severity reflection and reimbursement.

  • Symptom Coding Only

    Coding symptoms (e.g., pain, stiffness) without a PMR diagnosis code leads to underreporting severity and potential audit issues.

Mitigation Tips

Best Practices
  • Thorough documentation of PMR symptoms using ICD-10-CM code M35.3
  • Rule out other conditions mimicking PMR for accurate CDI
  • Timely low-dose corticosteroid initiation following diagnosis improves outcomes
  • Regular monitoring for adverse effects and dosage adjustments ensures compliance
  • Patient education on PMR management and medication adherence

Clinical Decision Support

Checklist
  • Age 50? ICD-10: M35.3 Document age and onset
  • Bilateral shoulder/pelvic pain? Document location, duration
  • Morning stiffness 45+ minutes? Document duration, severity
  • Elevated ESR/CRP? Document lab values, units, date

Reimbursement and Quality Metrics

Impact Summary
  • Polymyalgia Rheumatica reimbursement hinges on accurate ICD-10-CM coding (M35.3) and appropriate E/M or procedure codes for optimal claims processing.
  • Quality metrics for PMR impacted by timely corticosteroid initiation, documented patient education on medication management, and assessment of treatment response.
  • Coding errors (e.g., unspecified inflammatory arthritis) can lead to claim denials, impacting revenue cycle and hospital reimbursement for PMR.
  • Accurate PMR documentation supports quality reporting initiatives for inflammatory diseases, influencing hospital performance scores and potential payment adjustments.

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Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective differential diagnostic strategies for Polymyalgia Rheumatica in patients presenting with bilateral shoulder and hip pain?

A: Differentiating Polymyalgia Rheumatica (PMR) from other conditions presenting with bilateral shoulder and hip pain requires a multi-pronged approach. Consider conditions such as giant cell arteritis (GCA), rheumatoid arthritis, polymyositis, fibromyalgia, and hypothyroidism. Key differentiators for PMR include the rapid onset of pain and stiffness, predominantly proximal, age over 50, elevated inflammatory markers (especially ESR and CRP), and rapid response to low-dose corticosteroids. A temporal artery biopsy is crucial to rule out GCA, especially in the presence of headache, jaw claudication, or visual disturbances. Imaging studies, such as ultrasound or MRI, can be helpful to exclude other inflammatory arthritides. Explore how incorporating a thorough clinical history, physical examination, targeted laboratory tests, and imaging can improve diagnostic accuracy in PMR. Consider implementing a standardized diagnostic pathway for PMR to ensure timely diagnosis and appropriate management.

Q: How should I manage corticosteroid tapering in Polymyalgia Rheumatica to minimize relapse risk and long-term side effects?

A: Managing corticosteroid tapering in Polymyalgia Rheumatica (PMR) is crucial to balance symptom control with minimizing long-term side effects. Start with a low-dose prednisone (typically 10-20mg/day), aiming for rapid symptom relief. Once symptoms are controlled (usually within a few weeks), initiate a slow taper, typically reducing the dose by 1-2mg every 2-4 weeks. The tapering rate can be slower (e.g., 1mg every 4-8 weeks) after reaching a dose of 10mg/day. Monitor patients closely for signs of relapse, such as increased pain and stiffness, and adjust the tapering schedule accordingly. Consider adding a disease-modifying antirheumatic drug (DMARD) like methotrexate to facilitate steroid sparing and reduce relapse risk. Learn more about the various DMARD options and their efficacy in PMR management. Consider implementing a patient-centered approach to tapering, incorporating shared decision-making and addressing individual patient preferences and comorbidities.

Quick Tips

Practical Coding Tips
  • Code M35.3 for PMR diagnosis
  • Document proximal muscle pain/stiffness
  • Exclude other causes in documentation
  • Consider giant cell arteritis GCA codes
  • Specify affected body areas

Documentation Templates

Patient presents with complaints consistent with polymyalgia rheumatica (PMR).  Symptoms include morning stiffness lasting greater than 45 minutes, primarily affecting the shoulder and pelvic girdle.  Patient reports difficulty with activities of daily living such as dressing, bathing, and rising from a chair due to pain and stiffness.  Onset of symptoms was gradual over the past several weeks.  Pain is described as aching and diffuse.  Patient denies any significant joint swelling, although mild tenderness is noted on palpation of the proximal muscles.  Review of systems is negative for fever, weight loss, or visual disturbances.  Patient denies recent illness or trauma.  Physical exam reveals limited range of motion in the shoulders and hips bilaterally.  No synovitis or joint deformity is appreciated.  Laboratory findings show elevated erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP), consistent with inflammatory process.  Giant cell arteritis (GCA) has been ruled out based on negative temporal artery biopsy and absence of related symptoms such as headache, jaw claudication, and visual changes.  Assessment: Polymyalgia rheumatica.  Plan: Initiate treatment with prednisone 15mg daily.  Patient education provided regarding medication side effects, including the importance of monitoring for signs of infection, hyperglycemia, and osteoporosis.  Follow-up appointment scheduled in two weeks to assess response to therapy and adjust dosage as needed.  Patient advised to contact the office sooner if symptoms worsen or new symptoms develop.  ICD-10 code M35.3.