Other specified spirochetal infections

This code signifies spirochetal infections that are not explicitly classified elsewhere in the ICD-9-CM system. These are bacterial infections caused by spiral-shaped bacteria, excluding well-defined conditions like syphilis, leptospirosis, or Lyme disease. It encompasses a range of less common or atypical spirochetal diseases.

Use this code when documentation specifies a spirochetal infection that doesn't fit into more specific categories. This might include infections identified by laboratory testing as spirochetal but without a definitive species diagnosis that has a unique code, or rare spirochetal diseases. The physician's diagnosis should clearly state "other specified spirochetal infection" or a similar phrase.

• Ensure the medical record explicitly states a spirochetal infection and rules out more specific diagnoses like syphilis (090-097), yaws (102.0-102.9), or Lyme disease (088.81).
• Avoid using this code if the spirochetal infection is unspecified; in such cases, an unspecified infection code might be more appropriate if no further detail is available.
• Always review the physician's documentation for the most precise diagnosis to avoid over-coding or under-coding.