2026 ICD-10-CM Diagnosis Code R53.2Functional quadriplegia

ICD-10-CM CodesR00–R99R50-R69R53

ICD-10-CM R53.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

R53.2 is a billable ICD-10-CM diagnosis code for functional quadriplegia. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 947 through 948. As a symptom code, it should not be used as a principal diagnosis once a related definitive diagnosis has been established. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Nervous system signs and symptoms.

Code Identity

ICD-10-CM Code
R53.2
Billable Status
Yes — Valid for Submission
Code Describes
Functional quadriplegia
Short Description
Functional quadriplegia
Same as the full description in the CMS dataset.
Parent Code
Malaise and fatigue

Code Classification

ChapterR00–R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
SectionR50-R69General symptoms and signs
CategoryR53Malaise and fatigue
This CodeR53.2Functional quadriplegia

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Functional quadriplegia
  • Functional quadriplegia due to multiple sclerosis

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Complete immobility due to severe physical disability or frailty

Type 1 Excludes

  • frailty NOS R54
  • hysterical paralysis F44.4
  • immobility syndrome M62.3
  • neurologic quadriplegia G82.5
  • quadriplegia G82.50

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Immobile, immobility
      • complete, due to severe physical disability or frailty
    • Quadriplegia
      • functional

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR SYM010
Nervous system signs and symptoms
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Paralysis

Paralysis is the loss of muscle function in part of your body. It happens when something goes wrong with the way messages pass between your brain and muscles. Paralysis can be complete or partial. It can occur on one or both sides of your body. It can also occur in just one area, or it can be widespread.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert R53.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
780.72 Functional quadriplegia
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About R53.2Overview

Is R53.2 (Malaise and fatigue) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report functional quadriplegia on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does R53.2 group to?

When functional quadriplegia is the principal diagnosis on an inpatient stay, it groups to MS-DRG 947, 948, with relative weights from 0.8005 to 1.2694 depending on complications. Higher weights mean higher Medicare reimbursement.

Can R53.2 be a principal diagnosis?

Use it with care. This is a symptom code, so once a definitive diagnosis explaining the functional quadriplegia is established, that condition takes the principal position instead.

What is the ICD-9 equivalent of R53.2?

Under the General Equivalence Mappings, functional quadriplegia converts to ICD-9-CM 780.72 (functional quadriplegia). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.