What is the ICD-10 code for a C1 fracture?

The ICD-10 code for a C1 fracture varies based on the type and stability, such as S12.01xA for stable burst fractures and S12.02xB for unstable burst fractures.

How do you code an unstable C1 fracture?

An unstable C1 fracture is coded as S12.02xB, which requires MRI confirmation of ligament rupture and significant lateral mass displacement.

ICD-10 Coding for C1 Fracture(S12.01XA, S12.01, M54.2)

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Explore detailed ICD-10 coding guidelines for C1 fractures, including stable and unstable types, with clinical validation and documentation requirements.

Also known as:

Atlas FractureCervical Vertebra Fracture

Related ICD-10 Code Ranges

Complete code families applicable to C1 Fracture

S00-T88Primary Range

Injury, poisoning and certain other consequences of external causes

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
S12.01XA	Stable C1 burst fracture, initial encounter	Use when imaging confirms a stable burst fracture with intact ligament.	CT showing <6.9 mm C1 lateral mass overhang
S12.02XB	Unstable C1 burst fracture, initial encounter	Use when imaging confirms instability due to ligament rupture.	MRI-confirmed ligament disruption >8.1 mm lateral mass displacement

Primary ICD-10-CM Codes

Stable burst fracture of first cervical vertebra, initial encounter for closed fracture

S12.01XABillable

Stable burst fracture of first cervical vertebra

S12.01

Differential Codes

Alternative codes to consider when ruling out similar conditions

Unstable C1 burst fracture, initial encounterS12.02

Stable C1 burst fracture, initial encounterS12.01

Documentation & Coding Risks

Avoid these common issues when documenting C1 Fracture.

Omitting laterality in documentation

Impact

Clinical: Inaccurate treatment planning., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Always specify right or left when applicable., Review imaging reports for laterality.

Incorrect encounter type coding

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding standards., Data Quality: Inaccurate patient records.

Mitigation

Ensure initial encounters are coded with 'A' suffix and subsequent with 'D'.

Imaging Documentation

Impact

Lack of detailed imaging findings can lead to audit issues.

Mitigation

Ensure all imaging reports are attached and referenced in the documentation.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with S12.01XA.

Primary Code

S12.01XA

Stable burst fracture of first cervical vertebra, initial encounter for closed fracture

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ICD-10 codes7

Coding risks3

FAQs2

ICD-10 Coding for C1 Fracture(S12.01XA, S12.01, M54.2)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for a C1 fracture?

How do you code an unstable C1 fracture?

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