Skip to main content
ICD-10/Z92.859

Z92.859 ICD-10-CM Code: Personal history of cellular therapy, unspecified

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0, Appendix B.

  • MS-DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Official Registry Overview & Definition

Personal history of cellular therapy, unspecified is a billable ICD-10-CM diagnosis code (Z92.859).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Z92.859 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

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

Code Also

Additional codes that may be required to fully describe the encounter.

  • any follow-up examination (Z08-Z09)

Change history

  • FY2022 — 2021-10-01
    Added to the code set
    Personal history of cellular therapy, unspecified
    FY2022 changes

Verify Before Coding

  • Billable — reportable as written.
  • Principal-diagnosis restriction. The Medicare Code Editor lists this code as unacceptable as a principal diagnosis: it describes a circumstance influencing health status rather than a current illness or injury being treated. It is valid as a secondary diagnosis.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of Z92.859 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • Z92.85 — Personal history of cellular therapy [Hierarchy]

Referenced by Excludes2 notes

  • Z87.7 — Personal history of (corrected) congenital malformations [Excludes2](via Z92.-): “personal history of medical treatment (Z92.-)”

Clinical classification (CCSR)

  • FAC030 — Personal history of other disease [CCSR]

Potential MS-DRG

  • DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS [MS-DRG]: “OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)”

Index entries

  • History, personal (of), cellular therapy[Index term]

Nearest codes (23)

  • Z92 — Personal history of medical treatment [Sibling]
  • Z92.0 — Personal history of contraception [Sibling]
  • Z92.2 — Personal history of drug therapy [Sibling]
  • Z92.21 — Personal history of antineoplastic chemotherapy [Sibling]
  • Z92.22 — Personal history of monoclonal drug therapy [Sibling]
  • Z92.23 — Personal history of estrogen therapy [Sibling]
  • Z92.24 — Personal history of steroid therapy [Sibling]
  • Z92.240 — Personal history of inhaled steroid therapy [Sibling]
  • and 15 more

Change history

  • FY2022 — Added to the code set [Change history]

Referenced by Other Codes

Clinical classification (AHRQ CCSR):FAC030 — Personal history of other disease (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Potential MS-DRG Relationships (FY2026)

Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.

Named in the grouper logic of 1 MS-DRG: DRG 951 (MDC 23).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Official ICD-10-CM tabular notes on other codes that name Z92.859 or its code family.

1 Excludes2 notes: Z87.7 (via Z92.-).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z92.859 in its code family, with their registry titles.

  • Z92.8 — Personal history of other medical treatment
  • Z92.81 — Personal history of extracorporeal membrane oxygenation (ECMO)
  • Z92.82 — Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility
  • Z92.83 — Personal history of failed moderate sedation
  • Z92.84 — Personal history of unintended awareness under general anesthesia
  • Z92.85 — Personal history of cellular therapy
  • Z92.850 — Personal history of Chimeric Antigen Receptor T-cell therapy
  • Z92.858 — Personal history of other cellular therapy
  • Z92.86 — Personal history of gene therapy
  • Z92.89 — Personal history of other medical treatment

View all codes in the Z92 family

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • History, personal (of), cellular therapy