Addressing 2024’s Top ICD-10 Coding Errors: What to Watch for in FY 2025 ICD 10 CM Updates

Addressing 2024’s Top ICD-10 Coding Errors: What to Watch for in FY 2025 ICD 10 CM Updates

Our analysis of 2024 coding error data reveals consistent challenges with ICD-10 guidelines, particularly those “with” and “in” relationships that can trigger denials or change reimbursement. The October 1st update introduced new codes that directly impact these high-error areas. Let’s examine the top documented ICD 10 coding errors of 2024 and how they intersect with the latest FY 2025 ICD 10 CM code updates now in effect.

1. Anemia in Chronic Kidney Disease

hypertension icd 10

2024’s Common Error

  • Incorrect coding of D64.9 instead of D63.1 when anemia is present with CKD
  • Failure to recognize the assumed relationship between conditions

FY 2025 Watch Points

While no direct new codes address this specific error, coders should note that Chapter 4’s expansion includes new codes for various systemic conditions. The continued emphasis on the proper use of Guideline I.A.15 remains critical for accurate coding of these relationships.

2. Diabetes Mellitus and Associated Conditions

diabetes mellitus

2024’s Common Error

  • Missing linkages between diabetes and related conditions.
  • Incorrect assumptions about “NEC” conditions.

FY 2025 Important Updates

Chapter 4 brings 16 new codes that coders need to watch for:

  • New codes for presymptomatic type 1 diabetes mellitus.
  • Additional specifications for hypoglycemia levels.
  • New codes for obesity classes when associated with diabetes.
  • These additions emphasize the importance of proper condition linking and specificity.

3. Asthma with Chronic Obstructive Pulmonary Disorder (COPD)

coding copd and emphysema

2024’s Common Error

  • Using J44.9 instead of J44.89 when coding both conditions.

FY 2025 Important Updates

Chapter 9’s new codes include:

  • Four new codes for pulmonary conditions.
  • While not directly related to asthma/COPD, these additions emphasize the importance of specificity in respiratory condition coding.

New Areas to Watch in FY 2025

To avoid similar coding errors in these commonly missed areas, pay special attention to:

  1. Anatomical Specificity Updates and New Codes
    • Chapter 11: 27 new codes for anal fistula classifications.
    • Chapter 13: 33 new codes for discogenic low back pain and muscle dysfunction.
  2. Documentation Enhancement Requirements
    • Chapter 21: 25 new codes for:
      • Estrogen and other hormone receptor status
      • Social determinants of health
      • Family history specifications
      • These additions emphasize the need for comprehensive documentation.

Staying informed about the latest ICD-10 coding updates and addressing common errors is vital for any healthcare facility. As we navigate the changes for FY 2025, leveraging accurate coding practices and documentation will be critical. Review our 2025 ICD-10 coding updates courses to help you and your team stay current with the changes.

To support you in this endeavor, our coding education and coding support services provide comprehensive training and resources tailored to enhance your team’s proficiency. Let us help you elevate your coding accuracy and confidence in this rapidly evolving landscape. Reach out today to learn how we can assist you on this journey.

Vanessa Youmans

Vanessa Youmans, MA, CCS, CPC – Chief Operating Officer (COO)
2025 icd 10 cm

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