ICD-10/Y65.5

Y65.5 ICD 2026 Code: Performance of wrong procedure operation

Y65.5 is the authoritative medical code for Performance of wrong procedure operation. This classification is used in medical billing and clinical recording to specify the clinical criteria for performance of wrong procedure operation (ICD-10-CM Y65.5), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Performance of wrong procedure operation is a non-billable ICD-10-CM category code Y65.5. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure Y83-Y84. Excludes2 (not included here): breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) Y70-Y82.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Y65.5 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure Y83-Y84

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) Y70-Y82

Frequently Asked Questions (FAQ) & Clinical Guidance

Can Y65.5 be billed directly?

No. Y65.5 (Performance of wrong procedure operation) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with Y65.5?

Per Excludes1 instructions, Y65.5 must not be reported with: surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure (Y83-Y84).

Can Y65.5 be reported alongside related conditions?

Per Excludes2 instructions, Y65.5 and the following may both be reported when both are present: breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82).

Codes in This Family (3)

Official ICD-10-CM classifications in the same code family as Y65.5, with their registry titles.

  • Y65.51 — Performance of wrong procedure (operation) on correct patient
  • Y65.52 — Performance of procedure (operation) on patient not scheduled for surgery
  • Y65.53 — Performance of correct procedure (operation) on wrong side or body part

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code Y62.5 Failure of sterile precautions during heart catheterization
ICD Code Y63.5 Inappropriate temperature in local application and packing
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