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ICD-10 Coding for Pain in Left Hand(M79.642)

Complete ICD-10-CM coding and documentation guide for Pain in Left Hand. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Left Hand PainPain in Hand - LeftHand Pain Left

Related ICD-10 Code Ranges

Complete code families applicable to Pain in Left Hand

M79.64-M79.649Primary Range

Other specified soft tissue disorders, not elsewhere classified

This range includes specific codes for pain in different parts of the body, including the left hand.

Key Information: ICD-10 code for pain in left hand

Essential facts and insights about Pain in Left Hand

The ICD-10 code for pain in the left hand is M79.642, used for documenting pain localized to the left hand.

Primary ICD-10-CM Code for pain left hand

Pain in left hand
Billable Code

Decision Criteria

clinical Criteria

  • Pain localized to the left hand with no other specific diagnosis.

documentation Criteria

  • Documentation must include laterality and specific location of pain.

Applicable To

  • Pain localized to the left hand

Excludes

Clinical Validation Requirements

  • Tenderness on palpation of left hand
  • Reduced grip strength
  • Negative X-ray for fracture

Code-Specific Risks

  • Using this code without specifying laterality can lead to audits.

Coding Notes

  • Ensure documentation specifies laterality and any associated symptoms or findings.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Acute pain due to trauma

G89.11
Use when the pain is due to an acute injury.

Chronic pain syndrome

G89.21
Use when the pain is chronic, lasting more than 3 months.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Left carpal tunnel syndrome

G56.22
Presence of nocturnal numbness and positive Phalen’s test.

Pain in joints of left hand

M25.542
Pain specifically in the joints, confirmed by imaging.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Pain in Left Hand to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M79.642.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Increases risk of audits., Financial: Potential for denied claims.

Mitigation Strategy

Use templates that prompt for specific location and laterality.

Impact

Reimbursement: May lead to denied claims or reduced reimbursement., Compliance: Increases risk of audits., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Always specify laterality to avoid using unspecified codes.

Impact

Coding without specifying laterality can trigger audits.

Mitigation Strategy

Always document and code the specific side affected.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Pain in Left Hand, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Pain in Left Hand

Use these documentation templates to ensure complete and accurate documentation for Pain in Left Hand. These templates include all required elements for proper coding and billing.

Primary Care Visit for Hand Pain

Specialty: Primary Care

Required Elements

  • Subjective description of pain
  • Objective findings including range of motion
  • Assessment and plan

Example Documentation

Patient presents with dull ache in left palm, radiating to index and middle fingers, worse with gripping.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient complains of hand pain.
Good Documentation Example
Patient reports sharp pain localized to left 3rd MCP joint, 7/10 intensity, exacerbated by typing.
Explanation
The good example provides specific location, intensity, and aggravating factors.

Need help with ICD-10 coding for Pain in Left Hand? Ask your questions below.

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