2026 ICD-10-CM Diagnosis Code Z74.09Other reduced mobility
Z74.09 is a billable ICD-10-CM diagnosis code for other reduced mobility. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified status.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for Z74.09.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Confined to chair
- Dependent lymphedema
- Dependent lymphedema due to impaired mobility
- Difficulty getting off toilet
- Difficulty getting on and off toilet
- Difficulty getting on to toilet
- Difficulty mobilizing in home
- Difficulty transferring from chair to toilet
- Difficulty transferring from toilet to chair
- Does not mobilize in home
- Finding related to ability to mobilize using wheelchair
- Impaired bed mobility
- Impaired mobility
- Impaired wheelchair mobility
- Mobile outside with aid
- Mobility poor
- Mobility very poor
- Needs help on stairs
- Needs walking aid in home
- Reduced mobility
- Thrombophilia due to immobilization
- Unable to mobilize in home
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Chairridden
- Reduced mobility NOS
Type 2 Excludes
- wheelchair dependence Z99.3
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Chairridden - Z74.09
- Dependence (on) (syndrome) - F19.20
- on
- care provider (because of) - Z74.9
- impaired mobility - Z74.09
- Impaired, impairment (function)
- mobility
- requiring care provider - Z74.09
- impaired mobility - Z74.09
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Chairridden
- Dependence(on) (syndrome)
- on
- care provider (because of)
- impaired mobility
- Impaired, impairment(function)
- mobility
- requiring care provider
- Need(for)
- care provider because (of)
- impaired mobility
- Problem(with) (related to)
- impaired mobility
- Reduced
- mobility
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Impaired Mobility
limitations in an individual's ability to maneuver in their physical environment.
Patient EducationClinical
Walking Problems
If you are like most people, you walk thousands of steps each day. You walk to do your daily activities, get around, and exercise. It's something that you usually don't think about. But for those people who have a problem with walking, daily life can be more difficult.
The full article covers:
- What are walking problems?
- What causes walking problems?
- How is the cause of a walking problem diagnosed?
- What are the treatments for walking problems?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert Z74.09 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Z74.09Overview
Is Z74.09 (Reduced mobility) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other reduced mobility on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z74.09 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because other reduced mobility describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
What is the ICD-9 equivalent of Z74.09?
Under the General Equivalence Mappings, other reduced mobility converts to ICD-9-CM V49.89 (conditn influ health NEC). The mapping is approximate, so confirm the match fits the documentation.
