Z01

ICD-10Non-billable category

Encntr for oth sp exam w/o complaint, suspected or reprtd dx

Official ICD-10-CM descriptor (FY2026)

Encounter for other special examination without complaint, suspected or reported diagnosis

Z01 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

  • routine examination of specific system

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • encounter for examination for administrative purposes (Z02.-)
  • encounter for examination for suspected conditions, proven not to exist (Z03.-)
  • encounter for laboratory, radiologic and imaging examinations for sign(s) and symptom(s) - code to the sign(s) or symptom(s)

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-)
  • screening examinations (Z11-Z13)

Notes

  • Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed

More specific codes under Z01

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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