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ICD-10 Coding for Hematoma Left Leg(S80.12XA, M79.81)

Complete ICD-10-CM coding and documentation guide for Hematoma Left Leg. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Bruise Left LegContusion Left Leg

Related ICD-10 Code Ranges

Complete code families applicable to Hematoma Left Leg

S80-S89Primary Range

Injuries to the knee and lower leg

Includes traumatic hematomas of the left lower leg.

Other and unspecified soft tissue disorders, not elsewhere classified

Includes nontraumatic hematomas of the left leg.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
S80.12XAContusion of left lower leg, initial encounterUse for traumatic hematomas of the left lower leg.
  • History of trauma
  • Localized swelling and ecchymosis
  • X-ray to rule out fracture
M79.81Nontraumatic hematomaUse for nontraumatic hematomas of the left leg.
  • No trauma history
  • Anticoagulant use
  • Elevated INR

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for hematoma left leg

Essential facts and insights about Hematoma Left Leg

The ICD-10 code for a traumatic hematoma on the left leg is S80.12XA, while M79.81 is used for nontraumatic cases.

Primary ICD-10-CM Codes for hematoma left leg

Contusion of left lower leg, initial encounter
Billable Code

Decision Criteria

clinical Criteria

  • Presence of trauma history and ecchymosis

documentation Criteria

  • Documented fall or blunt force

Applicable To

  • Traumatic hematoma of left lower leg

Excludes

  • Nontraumatic hematoma (M79.81)

Clinical Validation Requirements

  • History of trauma
  • Localized swelling and ecchymosis
  • X-ray to rule out fracture

Code-Specific Risks

  • Incorrect 7th character usage
  • Missing external cause code

Coding Notes

  • Ensure laterality and trauma history are documented.

Ancillary Codes

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

Fall from ladder, initial encounter

W00.0XXA
Use to specify the external cause of the traumatic hematoma.

Long-term (current) use of anticoagulants

Z79.01
Use to specify anticoagulant use in nontraumatic cases.

Differential Codes

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

Nontraumatic hematoma

M79.81
No history of trauma, often related to anticoagulant use.

Contusion of left lower leg, initial encounter

S80.12XA
Presence of trauma history.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hematoma Left Leg to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code S80.12XA.

Impact

Clinical: Ambiguous treatment records., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Always document 'left' or 'right' in the diagnosis.

Impact

Clinical: Incomplete patient history., Regulatory: Inaccurate coding., Financial: Incorrect DRG assignment.

Mitigation Strategy

Review medication history during documentation.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use 'A' for active treatment, even if not the first visit.

Impact

Reimbursement: May affect DRG assignment and reimbursement., Compliance: Incomplete coding can lead to audits., Data Quality: Incomplete injury documentation.

Mitigation Strategy

Always include an external cause code for traumatic cases.

Impact

Lack of detailed trauma history can lead to coding errors.

Mitigation Strategy

Ensure all trauma details are captured in the clinical note.

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 Hematoma Left Leg, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Hematoma Left Leg

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

Traumatic Hematoma

Specialty: Emergency Medicine

Required Elements

  • Trauma history
  • Hematoma size and location
  • External cause

Example Documentation

Patient presents with a 5 cm hematoma on the left lower leg after a fall from a ladder. Diagnosis: Traumatic hematoma, left lower leg (S80.12XA).

Examples: Poor vs. Good Documentation

Poor Documentation Example
Left leg hematoma.
Good Documentation Example
5 cm hematoma on left lower leg after fall from ladder.
Explanation
The good example includes size, location, and cause, which are necessary for accurate coding.

Nontraumatic Hematoma

Specialty: Internal Medicine

Required Elements

  • Medication history
  • Hematoma size and location
  • INR levels

Example Documentation

Patient on warfarin presents with spontaneous 6 cm hematoma on left calf. INR 3.8. Diagnosis: Nontraumatic hematoma, left leg (M79.81).

Examples: Poor vs. Good Documentation

Poor Documentation Example
Bruising on leg.
Good Documentation Example
Spontaneous 6 cm hematoma on left calf, INR 3.8 on warfarin.
Explanation
The good example specifies the size, location, and anticoagulant use, which are critical for coding.

Need help with ICD-10 coding for Hematoma Left Leg? Ask your questions below.

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