ICD-10 Code Changes for the New Year

Accurate diagnosis coding is essential when providing wound care. This can include primary, secondary, and sometimes even tertiary diagnoses.  When a comorbid condition contributes to the care of a wound care patient, it may be appropriate to list the ICD-10 code representing that comorbid condition on the claim form.  There are major changes this year to ICD-10 codes representing two diagnoses that may present as comorbid conditions of a chronic wounds, eosinophilia and chronic kidney disease.

ICD10 image on desk with stethoscope

Eosinophilia Code Change

The diagnosis of eosinophilia used to be represented by ICD-10 code, D72.1.  However, this is no longer a complete or valid code and should not be used again. D72.1 is now a code stem and requires additional characters to complete the code. In some instances, a 5th, and potentially a 6th character, is required to complete the code. The new, complete eosinophilia code options are:

D72.10    Eosinophilia, unspecified

D72.110  Idiopathic hypereosinophilic syndrome [IHES]

D72.111  Lymphocytic Variant Hypereosinophilic Syndrome [LHES]

D72.118  Other hypereosinophilic syndrome

D72.119  Hypereosinophilic syndrome [HES], unspecified

D72.12    Drug rash with eosinophilia and systemic symptoms syndrome

D72.18    Eosinophilia in diseases classified elsewhere

D72.19    Other eosinophilia

Chronic Kidney Disease Code Change

The diagnosis of Stage 3 chronic kidney disease used to be represented by ICD-10 code, N18.3.  However, this is no longer a complete or valid code and should not be used again.  N18.3 is now a code stem and requires additional characters to complete the code. In some instances, a 5th, and potentially a 6th character, is required to complete the code.  The new, complete Stage 3 chronic kidney disease code options are:

N18.30   Chronic kidney disease, stage 3 unspecified

N18.31   Chronic kidney disease, stage 3a

N18.32   Chronic kidney disease, stage 3b

Conclusion

The ICD-10 codes for eosinophilia and Stage 3 kidney disease have changed.  These are diagnoses that may play a role in wound care.  When using the ICD-10 codes for these diagnoses, be sure to use the new, complete codes.

References

ICD-10-CM Tabular List of Diseases and Injuries 2021 Addenda

DISCLAIMER: The information provided here is intended to educate health care providers regarding compliance with ICD, CPT, and HCPCS coding. The information provided does not guarantee reimbursement and is accurate to the best of our knowledge at the time of this publication. Coding guidelines can change and we encourage you to stay up to date.  The existence of a code does not guarantee payment.

About the Author

Dr. Jeffrey D. Lehrman, DPM, FASPS, MAPWCA, CPC

Dr. Lehrman is in private practice in Fort Collins, CO and operates Lehrman Consulting, LLC. He is a Diplomate of the American Board of Foot and Ankle Surgery, Fellow of the American Society of Podiatric Surgeons, and is recognized as a “Master” by the American Professional Wound Care Association. He is a Fellow of the American Academy of Podiatric Practice Management and an Expert Panelist on Codingline. In his role as a Consultant to the APMA Health Policy and Practice Department, Dr. Lehrman serves as an advisor to the APMA Coding Committee and the APMA MACRA Task Force. Dr. Lehrman sits on the board of directors of both the American Professional Wound Care Association and the American Society of Podiatric Surgeons. He is also on the editorial advisory board of the journal WOUNDS.

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