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T46.8X5A
ICD-10-CM
Statin Intolerance

Find clear guidance on statin intolerance diagnosis, including clinical documentation tips, ICD-10 codes (E78.0, E78.2), SNOMED CT concepts, and adverse effects like muscle pain (myalgia), elevated liver enzymes, and rhabdomyolysis. This resource helps healthcare professionals accurately document and code statin intolerance for optimal patient care and reimbursement. Learn about managing statin-associated muscle symptoms (SAMS) and alternative lipid-lowering therapies. Explore best practices for diagnosing and coding statin intolerance in medical records.

Also known as

Statin-associated muscle symptoms
Statin-induced myopathy

Diagnosis Snapshot

Key Facts
  • Definition : Inability to tolerate statin therapy due to muscle symptoms or other side effects.
  • Clinical Signs : Muscle aches, weakness, cramps, elevated liver enzymes, or other uncommon reactions.
  • Common Settings : Primary care, cardiology, endocrinology, lipidology clinics.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC T46.8X5A Coding
E78.0

Pure hypercholesterolemia

Elevated cholesterol levels without other known cause, sometimes linked to statin intolerance.

T88.7XXA

Adverse effect of lipid-lowering drugs

This code captures adverse reactions to statins, including intolerance.

R59.9

Unspecified fatigue

Fatigue can be a symptom of statin intolerance, though not specific.

M79.1

Myalgia

Muscle pain is a common symptom of statin intolerance.

Code-Specific Guidance

Decision Tree for

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

Is statin intolerance confirmed?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Statin intolerance
Myalgia
Rhabdomyolysis

Documentation Best Practices

Documentation Checklist
  • Statin name, dosage, and duration
  • Specific symptoms and onset timing
  • Objective clinical findings related to symptoms
  • Ruling out other causes of symptoms
  • Trial with another statin or lower dose, if applicable

Coding and Audit Risks

Common Risks
  • Unspecified Symptoms

    Coding statin intolerance with only generalized symptoms lacks specificity. ICD-10 requires more precise documentation for accurate coding and reimbursement.

  • Myalgia Miscoding

    Statin-induced myalgia may be incorrectly coded as general musculoskeletal pain. CDI must query physicians to differentiate and ensure appropriate coding.

  • Lack of Supporting Documentation

    Insufficient documentation of statin trials, dosage adjustments, and alternative therapies creates audit risks. Healthcare compliance mandates clear evidence for statin intolerance diagnosis.

Mitigation Tips

Best Practices
  • Document specific statin, dosage, and timeframe.
  • Clearly record patient-reported symptoms and severity.
  • Evaluate and document alternative lipid-lowering therapies.
  • Consider genetic testing (SLCO1B1) to guide therapy.
  • Assess for drug interactions impacting statin metabolism.

Clinical Decision Support

Checklist
  • 1. Confirm statin use and symptom onset timing (ICD-10-CM T46.5X5A, SNOMED CT 423398008).
  • 2. Evaluate symptom characteristics (muscle aches, weakness) documented in patient history.
  • 3. Rule out other causes of symptoms (CK levels, medication interactions).
  • 4. Document statin rechallenge or alternative lipid-lowering therapy considered.

Reimbursement and Quality Metrics

Impact Summary
  • Statin Intolerance: Reimbursement and Quality Metrics Impact Summary
  • Keywords: Statin intolerance, ICD-10, Z91.128, diagnosis coding, medical billing, reimbursement, quality reporting, adverse drug reaction, medication intolerance, hyperlipidemia, myalgia
  • Impact 1: Lower reimbursement rates compared to primary hyperlipidemia diagnoses.
  • Impact 2: Potential quality metric impact if statin use is a performance measure.
  • Impact 3: Requires accurate documentation of symptoms and alternative treatment strategies.
  • Impact 4: May trigger increased utilization review for justification of non-statin therapy.

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
  • Document specific statin, dosage, and reaction
  • Code adverse effects, not just 'statin intolerance'
  • Query physician to specify diagnosis if unclear
  • Check ICD-10-CM guidelines for statin intolerance
  • Use E78.4 for definite statin induced myopathy

Documentation Templates

Patient presents with reported statin intolerance, characterized by symptoms consistent with muscle-related adverse effects.  The patient reports experiencing myalgia, muscle aches, or muscle weakness after initiating statin therapy with [statin name and dosage].  Onset of symptoms occurred [timeframe] after starting the medication.  Symptoms severity is described as [mild, moderate, or severe] and [intermittent or constant].  Patient denies any other contributing factors such as strenuous exercise, trauma, or other medications known to cause myopathy.  Creatine kinase (CK) levels were measured and found to be [CK level with units] (normal range: [normal range with units]).  Previous statin use included [list previous statins, dosages, and durations of use].  Due to the reported muscle symptoms and [mention CK levels if elevated, or temporal relationship to statin initiation if CK is normal], a diagnosis of statin intolerance is made.  The statin has been discontinued.  Alternative lipid-lowering therapies will be considered, such as [list specific medications or therapeutic approaches e.g., bile acid sequestrants, ezetimibe, lifestyle modifications]. Patient education was provided regarding the importance of cholesterol management and the potential benefits and risks of alternative therapies.  Follow-up appointment scheduled in [timeframe] to reassess lipid profile and monitor for symptom resolution.  Differential diagnosis includes other causes of myalgia such as hypothyroidism, vitamin D deficiency, and drug-induced myopathy.  ICD-10 code: T46.5X5A (Adverse effect of statins).