What is the ICD-10 code for CREST syndrome?

The ICD-10 code for CREST syndrome is M34.1, used when at least two CREST features are documented along with serological evidence.

How do you code CREST syndrome with lung involvement?

For CREST syndrome with lung involvement, use M34.1 as the primary code and J99.1 as a secondary code for respiratory disorders.

ICD-10 Coding for CREST Syndrome(M34.1, G73.7, M34.0)

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Learn about CREST syndrome coding with ICD-10, including M34.1 and associated codes for accurate documentation and billing.

Also known as:

Limited SclerodermaCalcinosis Raynaud Esophageal Sclerodactyly Telangiectasia Syndrome

Related ICD-10 Code Ranges

Complete code families applicable to CREST Syndrome

M00-M99Primary Range

Diseases of the musculoskeletal system and connective tissue

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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
M34.1	CREST syndrome	Use when CREST syndrome is confirmed with ≥2 features and serological evidence.	Presence of ≥2 CREST features Positive anti-centromere antibodies
M34.8	Other systemic sclerosis	Use for systemic sclerosis variants not classified as CREST.	Pulmonary fibrosis on HRCT Elevated CK for myopathy

Primary ICD-10-CM Codes

CR(E)ST syndrome

M34.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Diffuse sclerodermaM34.0

CREST syndromeM34.1

Documentation & Coding Risks

Avoid these common issues when documenting CREST Syndrome.

Omitting manifestation codes

Impact

Clinical: Incomplete clinical picture., Regulatory: Non-compliance with coding guidelines., Financial: Potential underpayment due to incorrect DRG.

Mitigation

Review all clinical findings for additional codes., Ensure documentation supports all coded conditions.

Using M34.9 for unspecified systemic sclerosis when CREST is documented

Impact

Reimbursement: Incorrect DRG assignment may affect payment., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Ensure documentation specifies CREST features and use M34.1.

Documentation of CREST features

Impact

Incomplete documentation may lead to audit findings.

Mitigation

Ensure thorough documentation of all CREST features and related tests.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with M34.1.

Scleroderma→

Primary Code

M34.1

CR(E)ST syndrome

Quick Navigation

ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for CREST Syndrome(M34.1, G73.7, M34.0)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for CREST syndrome?

How do you code CREST syndrome with lung involvement?

Related condition guides