2026 ICD-10-CM Diagnosis Code R29.3

Abnormal posture

ICD-10-CM Code:
R29.3
ICD-10 Code for:
Abnormal posture
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

R29.3 is a billable diagnosis code used to specify a medical diagnosis of abnormal posture. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    R00–R99
    • Symptoms and signs involving the nervous and musculoskeletal systems
      R25-R29
      • Other symptoms and signs involving the nervous and musculoskeletal systems
        R29

Approximate Synonyms

The following list of clinical terms are approximate synonyms, alternative descriptions, or common phrases that might be used by patients, healthcare providers, or medical coders to describe the same condition. These synonyms and related diagnosis terms are often used when searching for an ICD-10 code, especially when the exact medical terminology is unclear. Whether you're looking for lay terms, similar diagnosis names, or common language alternatives, this list can help guide you to the correct ICD-10 classification.

  • Abnormal position of head
  • Abnormal posture
  • Antalgic posture
  • Decerebrate posture
  • Decorticate posture
  • Difficulty controlling pelvic posture
  • Difficulty controlling posture
  • Difficulty controlling shoulder girdle posture
  • Difficulty controlling trunk posture
  • Does not control head posture
  • Does not control pelvic posture
  • Does not control posture
  • Does not control shoulder girdle posture
  • Does not control trunk posture
  • Dystonic posture
  • Finding of body control
  • Finding of truncal posture
  • Finding related to ability to control head posture
  • Finding related to ability to control head posture
  • Finding related to ability to control pelvic posture
  • Finding related to ability to control pelvic posture
  • Finding related to ability to control pelvic posture
  • Finding related to ability to control shoulder girdle posture
  • Finding related to ability to control shoulder girdle posture
  • Finding related to ability to control shoulder girdle posture
  • Finding related to ability to control trunk posture
  • Finding related to ability to control trunk posture
  • Finding related to ability to control trunk posture
  • Floppy posture
  • Frog-like posture
  • Hanging position
  • Head lag
  • Head position finding
  • Hemiplegic posture
  • Loss of postural sense
  • Muscle rigidity
  • Paraplegic posture
  • Parkinsonian flexion posture
  • Poor posture
  • Posture paraplegic in extension
  • Posture paraplegic in flexion
  • Prone hanging
  • Relaxed stoop trunk position
  • Round shouldered posture
  • Spastic positioning
  • Spastic posture
  • Stoop trunk position
  • Stooped-over position
  • Tripod position
  • Unable to control head posture
  • Unable to control pelvic posture
  • Unable to control posture
  • Unable to control shoulder girdle posture
  • Unable to control trunk posture

Clinical Classification

Clinical Classifications group individual ICD-10-CM diagnosis codes into broader, clinically meaningful categories. These categories help simplify complex data by organizing related conditions under common clinical themes.

They are especially useful for data analysis, reporting, and clinical decision-making. Even when diagnosis codes differ, similar conditions can be grouped together based on their clinical relevance. Each category is assigned a unique CCSR code that represents a specific clinical concept, often tied to a body system or medical specialty.

Other general signs and symptoms

CCSR Code: SYM016

Inpatient Default: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.

Outpatient Default: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

Clinical Information

  • Muscle Rigidity

    continuous involuntary sustained muscle contraction which is often a manifestation of basal ganglia diseases. when an affected muscle is passively stretched, the degree of resistance remains constant regardless of the rate at which the muscle is stretched. this feature helps to distinguish rigidity from muscle spasticity. (from adams et al., principles of neurology, 6th ed, p73)

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Index of External Cause of Injuries

References found for this diagnosis code in the External Cause of Injuries Index:

    • Abnormal, abnormality, abnormalities
      • posture
    • Imbalance
      • posture
    • Imperfect
      • posture
    • Malposture
    • Relaxation
      • posture

Convert R29.3 to ICD-9-CM

Below are the ICD-9 codes that most closely match this ICD-10 code, based on the General Equivalence Mappings (GEMs). This ICD-10 to ICD-9 crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.

Abnormal posture

ICD-9-CM: 781.92

This is a direct match with no additional mapping qualifiers. The absence of a flag generally means the mapping is considered exact or precise. In other words, the ICD-10 code maps cleanly to the ICD-9 code without qualification, approximation, or needing multiple codes.

Patient Education


Neuromuscular Disorders

Neuromuscular disorders affect your neuromuscular system. They can cause problems with:

  • The nerves that control your muscles
  • Your muscles
  • Communication between your nerves and muscles

These disorders can cause your muscles to become weak and waste away. You may also have symptoms such as spasms, twitching, and pain.

Examples of neuromuscular disorders include:

  • Amyotrophic lateral sclerosis
  • Muscular dystrophy
  • Myasthenia gravis
  • Spinal muscular atrophy

There can be different causes for these diseases. Many of them are genetic.This means they are inherited (run in families) or are caused by a new mutation in your genes. Some neuromuscular disorders are autoimmune diseases. Sometimes the cause is unknown.

Many neuromuscular diseases have no cure. But treatments may improve symptoms, increase mobility, and lengthen life.


[Learn More in MedlinePlus]

Code History

  • FY 2026 - No Change, effective from 10/1/2025 through 9/30/2026
  • FY 2025 - No Change, effective from 10/1/2024 through 9/30/2025
  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.