AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2023 Issue 2; Ask the Editor
Spinal Fusion Using Allograft Bone Graft and Bone Marrow Aspirate
A patient with lumbar stenosis with neurogenic claudication undergoes a second stage posterolateral spinal fusion from L2-L4. Through a Jamshidi™ needle, the surgeon obtained bone marrow aspirate from the iliac crest. Soft tissues were removed from the facet joints, transverse processes, and pars at L2-L3. A high-speed burr was used to decorticate the facet joints, transverse processes, and pars in preparation for fusion. Allograft bone combined with the bone marrow aspirate was then impacted into the fusion site. The same procedure was then performed on an additional level. PCS Guideline B3.10c states that if a mixture of autologous and nonautologous bone graft (with or without biological or synthetic extenders or binders) is used to render the joint immobile, the device value Autologous Tissue Substitute is assigned. However, we are unsure whether bone marrow aspirate is classified as a graft. What is the appropriate code and device value for the posterior fusion with a combination of allograft and bone marrow aspirate? ...
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Article Overview
This premium article examines a spinal fusion scenario involving lumbar stenosis with neurogenic claudication, bone marrow aspirate harvested from the iliac crest, and placement of graft material during a multilevel posterior fusion. It is intended for coding professionals who need help understanding how ICD-10-PCS guidance applies when autologous and nonautologous bone graft materials are used together, and how to determine the correct procedure code and device value.
Why This Topic Matters
Fusion coding can change based on the type of graft material documented and how official PCS guidance applies to mixed graft scenarios. Accurate interpretation affects procedure code assignment, device value selection, and consistency in reporting complex spine cases.
Article Sections
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Clinical scenario
Summarizes the operative context for a multilevel lumbar posterior fusion and the documented graft materials used during the procedure.
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ICD-10-PCS guideline discussion
Reviews official PCS guidance related to mixed graft materials and the classification issue raised by bone marrow aspirate in this setting.
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Coding question
Presents the specific coding question about the appropriate procedure code and device value for the posterior fusion case.
What You Will Learn
- How a multilevel lumbar fusion scenario is described for coding review
- How official ICD-10-PCS guidance may apply when graft materials are combined
- What issue is being raised about procedure code selection and device value assignment
- How documentation details influence spinal fusion coding analysis
Who Should Read This
- ICD-10-PCS coders
- facility coding professionals
- coding auditors
- revenue cycle staff
- health information management professionals
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