2025 ICD-10-CM code Z92.858

Personal history of other cellular therapy.

A corresponding procedure code must accompany a Z code if a procedure is performed. Use additional codes to specify any current conditions or symptoms.

The medical necessity for using this code is to document a patient's past medical history related to cellular therapy, which can be relevant to their current health status and future treatment decisions.

In simple words: This code indicates a past history of receiving a type of cellular therapy other than CAR T-cell therapy or immune checkpoint inhibitor therapy.

Personal history of other cellular therapy.This code excludes personal history of immune checkpoint inhibitor therapy (Z92.26) and postprocedural states (Z98.-).

Example 1: A patient with a history of multiple myeloma who received cellular therapy in the past presents for a follow-up appointment., A patient comes to discuss potential health risks, mentioning they had undergone cellular therapy for a previous cancer., A patient with a history of non-Hodgkin's lymphoma who underwent cellular therapy is now experiencing some side effects and seeks medical attention.

Documentation should specify the type of cellular therapy received, the date of the therapy, and the condition it was intended to treat.

** This is a "Z" code, which is used to report factors influencing health status and contact with health services. These codes explain the reason for a visit when the patient may not have a specific illness or injury.

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