2024 ICD-10-CM Diagnosis Code M95.4

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Abnormal prominence of rib
• Acquired deformity of chest wall
• Acquired deformity of chest wall
• Acquired deformity of left rib
• Acquired deformity of rib
• Acquired deformity of rib
• Acquired deformity of rib
• Acquired deformity of rib
• Acquired deformity of rib
• Acquired deformity of rib
• Acquired deformity of right rib
• Acquired deformity of thoracic structure
• Acquired pectus carinatum
• Acquired pectus excavatum
• Angulation of rib
• Barrel chest
• Beading of ribs
• Bilateral acquired deformity of ribs
• Bowing of rib
• Chest deformity due to ankylosing spondylitis
• Chest movement appearance finding
• Deformity of chest due to kyphoscoliosis
• Deformity of chest wall
• Deformity of rib
• Deformity of sternum
• Deformity of thoracic structure
• Enlargement of thorax
• Finding of appearance of thorax
• Finding of arrangement of ribs
• Finding of size of thorax
• Flared ribs
• Flat chest
• Gap in ribs
• Harrison's sulcus
• Hemithorax immobile
• Mis-shapen sternum
• Named sign of thorax
• Notching of ribs
• Pectus carinatum
• Pectus deformity of chest
• Pectus excavatum
• Rib hump
• Rib syndrome
• Rigid chest
• Scoliotic angulation of ribs
• Scorbutic rosary

Clinical Information

• Pectus Carinatum

  a developmental anomaly characterized by abnormal anterior protrusion of the sternum and adjacent costal cartilage.

M95.4 is grouped with Diagnostic Related Groups - MS-DRG Mapping

Diagnostic Related Groups (DRGs) are a classification system used to group together diagnosis codes for the purpose of reimbursement and healthcare management. DRGs are used to standardize the way hospitals and other providers are paid for inpatient services. In this system patients are grouped together based on their principal diagnosis in areas referred to as Major Diagnostic Categories (MDC). Once a patient is assigned a particular diagnostic category, providers receive a predetermined payment rate for the services rendered. This reimbursement rate is often fixed and is meant to cover the cost of care for that patient. Reimbursement is also affected by the relative weight of a diagnostic related group based on the severity of a patient's illness and the associated cost of care during hospitalization.

Diagnostic related groups encourage healthcare providers to focus on quality and efficiency in patient care while managing costs effectively. The diagnosis code is present in the following groups for version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG	MS-DRG Title	MCD	Relative Weight
564	OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC	08	1.5619
565	OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC	08	0.9994
566	OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC	08	0.7505

The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Convert M95.4 to ICD-9-CM

• ICD-9-CM Code: 738.3 - Acq chest deformity
  Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education

Chest Injuries and Disorders

What is the chest?

The chest is the part of your body between your neck and your abdomen (belly). The medical term for your chest is thorax.

Your chest holds many important structures for breathing, digestion, blood circulation, and other important body functions. These structures include your:

• Ribs and breastbone
• Esophagus, the tube between your mouth and stomach
• Trachea, your windpipe
• Bronchi, the tubes that carry air from your windpipe to your lungs
• Lungs
• Pleura, a thin layer of tissue that covers the lungs and lines the inside wall of the chest space
• Heart and large blood vessels
• Thymus, a gland that's part of your immune system
• Nerves

What are chest injuries and disorders?

Chest injuries and disorders are problems that affect any of the organs or structures located in your chest.

There are many types of chest injuries and disorders, for example:

• Broken ribs
• Esophagus disorders
• Swallowing disorders, also called dysphagia
• Tracheal disorders
• Bronchial disorders
• Lung diseases and collapsed lung
• Pleural disorders
• Heart diseases
• Mediastinal diseases, which are tumors, inflammation, and other problems with the structures in the mediastinum, which is the space between your lungs, breastbone, and spine
• Thoracic aortic aneurysm
• Thoracic outlet syndrome

Chest injuries may happen from the force of car accidents, falls, or sports injuries. Or the chest may be pierced by a bullet or sharp object. Because your chest holds so many important structures, certain chest injuries may be life-threatening.

How are chest injuries and disorders diagnosed?

Diagnosis of chest injuries or disorders depends on the type of symptoms you're having and whether you've had a chest injury. Injuries are usually obvious, but in most cases, you'll need tests to know how serious an injury is.

There are many types of tests for diagnosing different types of chest injuries and disorders, for example:

• Diagnostic imaging tests
• Heart tests
• Lung function tests
• Bronchoscopy
• Pleural fluid analysis
• Dysphagia tests
• Biopsy

Treatments will depend on the type of chest injury or disorder you have.

[Learn More in MedlinePlus]

Code History

• 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.