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Home/Diagnosis/ICD-10 Coding for Left Arm Numbness

ICD-10 Coding for Left Arm Numbness

G56.02
R20.0

Complete ICD-10-CM coding and documentation guide for icd-10 coding for left arm numbness includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Left Arm Paresthesia
Left Arm Anesthesia
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Key Information: ICD-10 Coding for Left Arm Numbness

Essential facts and insights about ICD-10 Coding for Left Arm Numbness

Use ICD-10 code G56.02 for carpal tunnel syndrome, left upper limb, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Carpal tunnel syndrome, left upper limb

Billable Code
G56.02
Billable

Diagnostic Criteria

clinical:
  • • Confirmed carpal tunnel syndrome with clinical tests
documentation:
  • • Detailed documentation of symptoms and test results

Applicable To

  • • Left carpal tunnel syndrome

Important Notes

  • • Ensure laterality is documented and confirmed through diagnostic tests.

Anesthesia of skin

Billable Code
R20.0
Billable

Diagnostic Criteria

clinical:
  • • Sensory exam showing >50% reduction in 10g monofilament test

Applicable To

  • • Numbness of skin

Important Notes

  • • Use as a secondary code when specific cause is identified.
Ancillary Codes

Additional codes that may be used with this diagnosis

R20.0

Anesthesia of skin

Use to document numbness when specific cause is not identified.

Frequently Asked Questions

What is the ICD-10 code for left arm numbness?

The ICD-10 code for left arm numbness, when associated with carpal tunnel syndrome, is G56.02. For general numbness without a specific diagnosis, use R20.0.

When should I use G56.02 vs R20.0?

Use G56.02 for confirmed left carpal tunnel syndrome. Use R20.0 for general numbness without a specific diagnosis.

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