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Z74.09 ICD-10-CM Code: Other reduced mobility

Compare with another codeCheck this code on a claim

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

Coding at a Glance

Tabular directives
2 inclusion terms · 2 Excludes2

Billable · FY2027A valid, specific ICD-10-CM code, reportable for dates of service in FY2027.

What you need to know

Source: CMS/NCHS Official ICD-10-CM tabular notes, quoted. From the CMS/NCHS tabular list for the release in force. A note the category or block publishes applies to this code too; the Instructions section marks which is which.

Excludes2Not included here; may be reported together
  • wheelchair dependence (Z99.3)
  • dependence on enabling machines or devices NEC (Z99.-)
IncludesWhat this code covers
  • Chairridden
  • Reduced mobility NOS

Most relevant related codes MedCoder-derived

Read off the official notes above and this code’s own position in the tabular list. Which to report is a documentation question; Compare shows the two side by side.

CompareCheck ClaimView Related Codes

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v44, 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.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for Z74.09 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2027Effective: October 1, 2026

Trace:FY2027 changesChange historyRelease, file and checksum

Notes without a marker are published on Z74.09 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Chairridden
  • Reduced mobility NOS

Excludes2 — Not Included Here

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

Coder workflow for Z74.09

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

Before you code Z74.09

  1. “Other” (NEC) means the condition is specified in the record but no dedicated code captures it. Confirm the documented form is not one a sibling code names before settling on Z74.09; if the record states no specifics at all, the unspecified sibling applies instead. “Other” codes are for documented conditions the classification gives no specific code; “unspecified” codes are for records lacking the detail (Guidelines I.A.9.a, I.A.9.b).

    ReviewZ74.01

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

  2. 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 →

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).
Any detail beyond this code’s title
What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.

Official instructions as workflow

  • Excludes2 — not part of Z74.09(2 notes)

    Coding workflow: The conditions named in this note are not included in Z74.09. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ99.3, Z99

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

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.

Don’t confuse Z74.09 with…

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

The codes most likely to be picked instead of Z74.09 — 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.

  • Z99.3— 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 wheelchair dependence adds Z99.3; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z74.09 vs Z99.3 →

  • 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 wheelchair dependence adds Z99; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z74.09 vs Z99 →

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.

Coding context

Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.

Code Overview

Other reduced mobility is a billable ICD-10-CM diagnosis code (Z74.09).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Official Coding 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.

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Miscellaneous Z codes/subcategories/categories: Z28 Immunization not carried out Except: Z28.3-, Underimmunization status Z29 Encounter for other prophylactic measures Z40 Encounter for prophylactic surgery Z41 Encounter for procedures for purposes other than remedying health state Except: Z41.9, Encounter for procedure for purposes other than remedying health state, unspecified Z53 Persons encountering health services for specific procedures and treatment, not carried out Z72 Problems related to lifestyle Note: These codes should be assigned only when the documentation specifies that the patient has an associated problem Z73 Problems related to life management difficulty Note: These codes should be assigned only when the documentation specifies that the patient has an associated problem. Z74 Problems related to care provider dependency Except: Z74.01, Bed confinement status Z75 Problems related to medical facilities and other health care Z76.0 Encounter for issue of repeat prescription

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-derived relationships — computed from published CMS and AHRQ datasets

Other codes that name Z74.09 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Excludes1 note: Z73.6 — Limitation of activities due to disability (via Z74.-).

These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

FY2027 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).

Z68.26 — Body mass index [BMI] 26.0-26.9, adult, Z68.27 — Body mass index [BMI] 27.0-27.9, adult, Z68.28 — Body mass index [BMI] 28.0-28.9, adult, Z68.29 — Body mass index [BMI] 29.0-29.9, adult, Z68.51 — Body mass index [BMI] pediatric, less than 5th percentile for age, Z68.52 — Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age, Z68.53 — Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age, Z71.1 — Person with feared health complaint in whom no diagnosis is made, Z71.2 — Person consulting for explanation of examination or test findings, Z74.01 — Bed confinement status, Z74.1 — Need for assistance with personal care, Z74.2 — Need for assistance at home and no other household member able to render care, Z74.3 — Need for continuous supervision, Z74.8 — Other problems related to care provider dependency, Z74.9 — Problem related to care provider dependency, unspecified, Z75.0 — Medical services not available in home, Z75.1 — Person awaiting admission to adequate facility elsewhere, Z75.2 — Other waiting period for investigation and treatment, Z75.3 — Unavailability and inaccessibility of health-care facilities, Z75.4 — Unavailability and inaccessibility of other helping agencies, +232 more

Same Index main term, other category

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

Z72.4 — Inappropriate diet and eating habits (life-style, inappropriate eating habits), Z72.51 — High risk heterosexual behavior (life-style, high-risk sexual behavior), Z72.52 — High risk homosexual behavior (life-style, high-risk sexual behavior, homosexual), Z72.53 — High risk bisexual behavior (life-style, high-risk sexual behavior, bisexual), Z72.6 — Gambling and betting (life-style, gambling), Z72.89 — Other problems related to lifestyle (life-style, specified NEC), Z72.9 — Problem related to lifestyle, unspecified (life-style), Z73.82 — Dual sensory impairment (dual sensory), Z73.89 — Other problems related to life management difficulty (life-management, specified NEC), Z73.9 — Problem related to life management difficulty, unspecified (life-management), Z75.8 — Other problems related to medical facilities and other health care (health care, specified NEC), Z75.9 — Unspecified problem related to medical facilities and other health care (health care), Z76.5 — Malingerer [conscious simulation] (behavioral, drug seeking), Z78.9 — Other specified health status (influencing health status NEC), Z91.81 — History of falling (falling), Z91.89 — Other specified personal risk factors, not elsewhere classified (personal hygiene), Z95.812 — Presence of fully implantable artificial heart (on, artificial heart), Z99.0 — Dependence on aspirator (on, aspirator), Z99.11 — Dependence on respirator [ventilator] status (on, ventilator), Z99.2 — Dependence on renal dialysis (on, renal dialysis), +278 more

Contextual Map

Every relationship of Z74.09 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.

Run Z74.09 with these 2 related codes in Claim Check

Hierarchy

Excludes2

Referenced by Excludes1 notes

Clinical classification (CCSR)

MS-DRG Grouper

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. 1,258 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2027

Index entries

  • Chairridden[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Dependence (on) (syndrome), on, care provider (because of), impaired mobility[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Impaired, impairment (function), mobility, requiring care provider[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Need (for), care provider because (of), impaired mobility[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Problem (with) (related to), impaired mobility[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Reduced, mobility[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027

Nearest codes

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Reference

Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.

Indexed Clinical Terms (6)

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.

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 FY2027 tabular list, index and tables, effective October 1, 2026 Release, file and checksum · Publisher’s page
Coding guidelines Official source data
ICD-10-CM Official Guidelines for Coding and Reporting (FY2027), quoted by section Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v44.0 (October 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 — v44 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-derived 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 editorial 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.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources

Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "Z74.09 — Other reduced mobility." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/z74.09-other-reduced-mobility

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Other reduced mobility

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027, and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z74.09 in its code family, with their registry titles.

View all codes in the Z74 family