Z78.1 ICD-10-CM Code: Physical restraint status

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for Z78.1 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025

Notes without a marker are published on Z78.1 itself; “inherited from” names the category or block whose note applies here.

This page already reflects the FY2027 tabular note taking effect October 1, 2026.

Coder workflow for Z78.1

MedCoder structured workflow — derived from this code’s own official record

Before you code Z78.1

1. Confirm the reason for the encounter this Z code records: the circumstance it records. Check whether the code may be reported as first-listed or principal — some Z codes are limited to one position — and do not report a history or status code for a condition documented as current. Z code categories and their reporting positions (Guidelines I.C.21.c, I.C.21.c.15).

   Guide: Z codes as principal or first-listed diagnosis →

2. Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with Z78.1. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).

   See the official tabular notes

Choose the right path

1. Does the documentation support a condition named in Z78.1’s Excludes1 note?
   Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
   No → Continue.

Consider Z78.1. Then review the Code Also note, and confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement

Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).

The reason for the encounter

Whether the code records the encounter’s purpose, a status, or a history — and whether it may be first-listed (Guidelines I.C.21.c).

Official instructions as workflow

• Excludes1 — check before selecting Z78.1(1 note)

  Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with Z78.1: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.

  See the official tabular notes · Guidelines I.A.12.a

• Excludes2 — not part of Z78.1(3 notes)

  Coding workflow: The conditions named in this note are not included in Z78.1. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

  CompareZ21, Z87.890

  See the official tabular notes · Guidelines I.A.12.b

• Code Also — related condition(1 note)

  Coding workflow: Review the related condition when both are documented and the instruction applies. A Code Also note does not fix sequencing; the order follows the circumstances of the encounter.

  See the official tabular notes · Guidelines I.A.17

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Indexed Clinical Terms (2)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

• Physical restraint status
• Status (post), physical restraint

Official Coding Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.

Don’t confuse Z78.1 with…

MedCoder analysis — pairs from this code’s official notes, distinctions written by MedCoder

The codes most likely to be picked instead of Z78.1 — named in its own official notes, or sharing its laterality or encounter family — with what separates them and which documentation moves the case. Each links to the full comparison.

• Z21— Excludes2 relationship (Informational)

  Distinct conditions — both may be reported.

  A distinct condition — both may be reported when both are documented.

  What moves you there: Documentation of asymptomatic human immunodeficiency virus [HIV] infection status adds Z21; it is not part of this code and both may be reported when both are documented.

  Full comparison: Z78.1 vs Z21 →

• Z93— Excludes2 relationship (Informational)

  Distinct conditions — both may be reported.

  A distinct condition — both may be reported when both are documented.

  What moves you there: Documentation of postprocedural status adds Z93; it is not part of this code and both may be reported when both are documented.

  Full comparison: Z78.1 vs Z93 →

• Z99— Excludes2 relationship (Informational)

  Distinct conditions — both may be reported.

  A distinct condition — both may be reported when both are documented.

  What moves you there: Documentation of postprocedural status adds Z99; it is not part of this code and both may be reported when both are documented.

  Full comparison: Z78.1 vs Z99 →

• Z87.890— Excludes2 relationship (Informational)

  Distinct conditions — both may be reported.

  A distinct condition — both may be reported when both are documented.

  What moves you there: Documentation of sex reassignment status adds Z87.890; it is not part of this code and both may be reported when both are documented.

  Full comparison: Z78.1 vs Z87.890 →

Relationships are read from this code's own official notes, its laterality siblings and its encounter family; the wording of each distinction is MedCoder editorial, and the documentation named in each “what moves you there” line is the official note phrase or sibling title itself. Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a.

Decision Points

The directives on this code's own record, as a pre-claim checklist.

1. 1 Code Also note — a second code may apply; the guidelines leave its sequencing to the circumstances of the encounter. See the Code Also notes
2. 1 Excludes1 entry — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes
3. 3 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes

Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.

Verify Before Coding

• 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 in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

FY2026 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

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.

Clinical classification (AHRQ CCSR):FAC025 — Other specified status (default).

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

Related Codes

Principal diagnosis restriction (Medicare Code Editor)

Not acceptable as a principal diagnosis on an inpatient claim.

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Other specified status).

Z77.122 — Contact with and (suspected) exposure to noise, Z77.123 — Contact with and (suspected) exposure to radon and other naturally occurring radiation, Z77.128 — Contact with and (suspected) exposure to other hazards in the physical environment, Z77.21 — Contact with and (suspected) exposure to potentially hazardous body fluids, Z77.22 — Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic), Z77.29 — Contact with and (suspected) exposure to other hazardous substances, Z77.31 — Contact with and (suspected) exposure to Gulf War theater, Z77.39 — Contact with and (suspected) exposure to other war theater, Z77.9 — Other contact with and (suspected) exposures hazardous to health, Z78.0 — Asymptomatic menopausal state, Z78.9 — Other specified health status, Z79.01 — Long term (current) use of anticoagulants, Z79.02 — Long term (current) use of antithrombotics/antiplatelets, Z79.1 — Long term (current) use of non-steroidal anti-inflammatories (NSAID), Z79.2 — Long term (current) use of antibiotics, Z79.3 — Long term (current) use of hormonal contraceptives, Z79.4 — Long term (current) use of insulin, Z79.51 — Long term (current) use of inhaled steroids, Z79.52 — Long term (current) use of systemic steroids, Z79.60 — Long term (current) use of unspecified immunomodulators and immunosuppressants, +232 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Status”; these codes share that main term but sit in a different category of the Tabular List.

Z28.310 — Unvaccinated for COVID-19 (underimmunization, COVID-19, unvaccinated), Z28.311 — Partially vaccinated for COVID-19 (underimmunization, COVID-19, partially vaccinated), Z28.39 — Other underimmunization status (underimmunization), Z33.1 — Pregnant state, incidental (pregnancy, incidental), Z39.0 — Encounter for care and examination of mother immediately after delivery (postpartum, care immediately after delivery), Z39.2 — Encounter for routine postpartum follow-up (postpartum), Z56.82 — Military deployment status (deployment), Z66 — Do not resuscitate (do not resuscitate), Z74.01 — Bed confinement status (bed confinement), Z76.82 — Awaiting organ transplant status (awaiting organ transplant), Z87.890 — Personal history of sex reassignment (sex reassignment surgery status), Z90.02 — Acquired absence of larynx (laryngectomy), Z90.1 — Acquired absence of breast and nipple (mastectomy), Z90.2 — Acquired absence of lung [part of] (pneumonectomy), Z90.3 — Acquired absence of stomach [part of] (gastrectomy), Z90.410 — Acquired total absence of pancreas (pancreatectomy), Z90.411 — Acquired partial absence of pancreas (pancreatectomy, partial), Z90.49 — Acquired absence of other specified parts of digestive tract (colectomy), Z90.5 — Acquired absence of kidney (nephrectomy), Z90.6 — Acquired absence of other parts of urinary tract (cystectomy), +80 more

Contextual Map

Every relationship of Z78.1 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

• Z00-Z99 — Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99) (Z00-Z99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
• Z77-Z99 — Persons with potential health hazards related to family and personal history and certain conditions influencing health status[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026

Clinical classification (CCSR)

• FAC025 — Other specified status[CCSR]— AHRQ CCSR for ICD-10-CM Diagnoses (HCUP)

MS-DRG Grouper

• DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS[MS-DRG]: “OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026

MDC crossing

• MDC 23 — Factors Influencing Health Status and Other Contacts with Health Services[MDC crossing]: “Factors Influencing Health Status and Other Contacts with Health Services — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,235 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026

Index entries

• Physical restraint status[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
• Status (post), physical restraint[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026

Nearest codes

• Z78 — Other specified health status[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
• Z78.0 — Asymptomatic menopausal state[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
• Z78.9 — Other specified health status[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026

Change history (3)

• FY2027 — Excludes2 note will be added[Change history]— CMS release files (code change ledger) · icd10cm-fy2027
• and 2 more

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data

CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page

Coding guidelines Official source data

ICD-10-CM Official Guidelines for Coding and Reporting (FY2026), quoted by section Release, file and checksum · Publisher’s page

Claim edits Official source data

CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page

Inpatient payment groups Official source data

CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page

Change history and date-of-service validity Official source data

CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page

Comparisons, relationships and the contextual map MedCoder structured relationship

Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

Summary and FAQ answers MedCoder explanation

Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z78.1 in its code family, with their registry titles.

• Z78 — Other specified health status
• Z78.0 — Asymptomatic menopausal state
• Z78.9 — Other specified health status

View all codes in the Z78 family