Billable / Specific Code
ICD-10-CM S13.120 is the diagnosis code for Subluxation of C1/C2 cervical vertebrae. This code falls under the section "Injuries to the neck" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where S13.120 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S13.120 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S13.120 is the ICD-10-CM diagnosis code for "Subluxation of C1/C2 cervical vertebrae". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S13.120 is S13.12 ("Subluxation and dislocation of C1/C2 cervical vertebrae"). S13.120 provides a more specific classification within this category.
S13.120 is located in Section S10-S19 — "Injuries to the neck" within Chapter 19 of the ICD-10-CM Tabular List.
Use S13.120 when the patients documented diagnosis matches "Subluxation of C1/C2 cervical vertebrae" 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 Subluxation of C1/C2 cervical vertebrae is S13.120.
Yes, S13.120 can be used as a primary diagnosis code since it is billable and specific.
S13.120 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S13.120 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.