ICD-10-CM I73.0 is the diagnosis code for Raynaud's syndrome. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where I73.0 sits in the ICD-10-CM classification helps ensure proper coding:
No, I73.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I73.0 is the ICD-10-CM diagnosis code for "Raynaud's syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I73.0 is I73 ("Other peripheral vascular diseases"). I73.0 provides a more specific classification within this category.
I73.0 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
I73.0 has 2 sub-code(s) that provide more specific detail: I73.00, I73.01.
Use I73.0 when the patients documented diagnosis matches "Raynaud's syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Raynaud's syndrome is I73.0.
No, I73.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I73.0 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I73.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.