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ICD-9-CM procedure code (retired)

81.01 — Atlas-axis spinal fusion

ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.

About ICD-9-CM 81.01

81.01 is an ICD-9-CM procedure code for atlas-axis spinal fusion. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.

The CMS General Equivalence Mappings translate it to 36 ICD-10-PCS codes, such as 0RG0070 (Fusion of Occipital-cervical Joint with Autologous Tissue Substitute, Anterior Approach, Anterior Column, Open Approach), 0RG0071 (Fusion of Occipital-cervical Joint with Autologous Tissue Substitute, Posterior Approach, Posterior Column, Open Approach) and 0RG007J (Fusion of Occipital-cervical Joint with Autologous Tissue Substitute, Posterior Approach, Anterior Column, Open Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 81.01

What is the ICD-10 code for ICD-9 81.01?

The GEMs map 81.01 to ICD-10-PCS 0RG0070, 0RG0071, 0RG007J, 0RG00J0, 0RG00J1, 0RG00JJ and 30 more.

GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.