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Z13.0

Billable

Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A preventive health visit to screen for blood disorders and immune system problems before symptoms appear.

Coding Tips

  • Use this code when screening is the primary reason for the encounter, not for diagnosis or treatment of an existing condition
  • This is appropriate for routine blood work ordered to check for anemia, leukemia, lymphoma, or immune deficiencies

Code Hierarchy

Z13Encounter for screening for other diseases and disordersZ13.0Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Z13.0Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

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