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ICD-10 Coding for Amyotrophic Lateral Sclerosis(G12.21, G12.23, G12.24)

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Learn about the ICD-10 coding for amyotrophic lateral sclerosis (ALS), including documentation requirements, clinical validation, and common coding pitfalls.

Also known as:
ALSLou Gehrig's Disease
Related ICD-10 Code Ranges

Complete code families applicable to Amyotrophic Lateral Sclerosis

G00-G99Primary Range

Diseases of the nervous system

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Primary ICD-10-CM Codes
Amyotrophic lateral sclerosis
G12.21Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Primary lateral sclerosisG12.23
Progressive muscular atrophyG12.24

Documentation & Coding Risks

Avoid these common issues when documenting Amyotrophic Lateral Sclerosis.

Vague documentation of motor neuron disease

Impact

Clinical: Misdiagnosis or delayed diagnosis of ALS., Regulatory: Non-compliance with documentation standards., Financial: Potential denial of claims due to insufficient documentation.

Mitigation

Ensure detailed clinical notes are taken, Use specific terminology for UMN and LMN signs

Using a general motor neuron disease code instead of G12.21

Impact

Reimbursement: Potential underpayment due to incorrect coding., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Ensure documentation supports ALS-specific criteria, including both UMN and LMN signs.

ALS coding without sufficient documentation

Impact

Risk of audits due to insufficient clinical documentation supporting ALS diagnosis.

Mitigation

Ensure comprehensive documentation of clinical findings and diagnostic tests.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with G12.21.