October 14, 2023
2024 ICD-10 Coding Changes

Navigating the 2024 ICD-10 Medical Coding Updates

By Janine Mothershed

In the ever-evolving landscape of Medical Coding, one constant remains: the need for accurate and up-to-date coding systems to classify diseases, medical conditions and procedures. The International Classification of Diseases, (ICD-10) 12th Edition, is a cornerstone in this system and it undergoes periodic updates to reflect advances in medical knowledge, technology and changes in healthcare practices. For 2024, the new ICD-10 code includes several important modifications that are impacting healthcare providers, medical coders and patients. These changes were in effect starting October 1, 2023. https://www.icd10data.com/ICD10CM/Codes/Changes/New_Codes/1?year=2024

Before diving into the 2024 changes, it’s essential to understand the ICD-10 system and its role in healthcare. The ICD-10 is a coding system used worldwide to standardize the classification of diseases, injuries and medical procedures. It was first introduced by the World Health Organization (WHO) in 1992 and was utilized later in the United States in 2015, replacing the ICD-9 code set.

The system consists of a vast array of alphanumeric codes, each representing a unique medical condition or procedure. These medical codes are used for various purposes, including billing, epidemiology, clinical research and healthcare management. The periodic updates to ICD-10 are essential to reflect advances in medical science, new technologies and changing healthcare practices.

Let’s explore the 2024  ICD-10 updates that are already in effect, their significance and the implications for the healthcare industry. The 2024 ICD-10 codes include several modifications, encompassing 395 new codes, 22 revisions to existing ones and deletion of 25 codes. There are also 131 new headers and four revised headers. These changes aim to improve the accuracy of diagnostic coding, better capture evolving healthcare practices and align with international coding standards.

Here are some of the key highlights for the ICD10 updates:

Chapter 1, Sepsis ICD10 Updates: 

A40- Streptococcal sepsis

A41- Other sepsis

T80.211- sepsis due to central venous catheter

Chapter 2, Uncertain behavior of connective and other soft tissue:

D48.11- Desmoid tumors of various locations, new codes

Chapter 3 ICD10 Updates: 

D57.4- Sickle-cell Thalassemia, expanded

D61. 9- Aplastic Anemia, expanded

D68-  COVID to certain Coagulopathies, new codes

Chapter 4 ICD10 updates: 

E20.8- Hypoparathyroidism, new codes, specific types

E88- Metabolic disorders, new codes

R64- cachexia, got a counterpart

E88.A- Wasting disease (syndrome) with underlying condition, Excludes1 notation


Chapter 5, Opioid Associated ICD10 Updates:

F11.288- Opioid dependence with other opioid-induced disorder F11.988- Opioid use, unspecified with other opioid-induced disorder


Gender Identity updates:

F64.0- Transsexualism, now includes: Gender incongruence in adolescents, adults and Transgender

F64.2- Gender identity disorder of childhood, includes Gender incongruence of childhood

F64.9- Gender identity disorder, unspecified, includes gender incongruence, unspecified


Chapter 6, Diseases of the Nervous System (G00-G99) ICD10 Coding Updates: 

Five new codes for Parkinson’s Disease:

G20.A1-Parkinson’s disease without dyskinesia, without mention of fluctuations

G20.A2- Parkinson’s disease without dyskinesia, with fluctuations

G20.B1- Parkinson’s disease with dyskinesia, without mention of fluctuations

G20.B2- Parkinson’s disease with dyskinesia, with fluctuations

G20.C- Parkinsonism, unspecified

G05- Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere

G43.1- Migraine with aura

G43.E- New category, Chronic migraine with aura

G43.E0- New code, Chronic migraine with aura, not intractable

G43.E01- New code, Chronic migraine with aura, not intractable, with status migrainosus

G43.E09- Chronic migraine with aura, not intractable, without status migrainosus


Chapter 7, Retinal Disorders ICD10 Coding Updates: 

H36- Spawned new codes for two types of sickle-cell retinopathy

H36.8- Mechanical strabismus

H50.6- Expanded with multiple codes for specific muscle entrapments

H57.8- New code for Foreign body sensation eye (ocular)

Chapter 9, Heart Diseases ICD10 Coding Updates: 

I1A.0- Resistant hypertension

I20.8- Other forms of angina divided into two codes

I47.1- Supraventricular Tachycardia was divided to reflect greater diagnostic specificity


Chapter 10 ICD10 Coding Updates: 

J44.8- Bronchiolitis Obliterans, added to COPD

J43- Emphysema, now Excludes2

Chapter 11, Diseases (K00-K95):

Changes take codes from Excludes 1 to Excludes 2 status. Excludes 2 allows a patient tot have both conditions.

K90.82- Short bowel syndrome, new code

K90.83- Intestinal failure, new code


Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99) ICD10 Coding Updates: 

M32.19-Other organ or system involvement in systemic lupus erythematosus use additional codes

M80.0- Subcategory, Age-related osteoporosis with current pathological fracture

New Codes

M80.0B- Age-related osteoporosis with current pathological fracture, pelvis

M80.0B1- Age-related osteoporosis with current pathological fracture, right pelvis

M80.0B2- Age-related osteoporosis with current pathological fracture, left pelvis

M80.0B9- Age-related osteoporosis with current pathological fracture, unspecified pelvis

M80.0B- Age-related osteoporosis with current pathological fracture, pelvis

M80.8- Subcategory, Other osteoporosis with current pathological fracture

New Codes

M80.0B- Other osteoporosis with current pathological fracture, pelvis

M80.0B1- Other osteoporosis with current pathological fracture, right pelvis

M80.0B2- Other osteoporosis with current pathological fracture, left pelvis

M80.0B9- Other osteoporosis with current pathological fracture, unspecified pelvis


M97- New note, Periprosthetic fracture around internal prosthetic joint, the specific type and cause of fracture


Chapter 14, 15 new codes, Glomerular diseases (N00-N99) ICD10 Coding Updates: 

N02- Recurrent and persistent hematuria, new code

N04- Nephrotic syndrome, new code

N06- Isolated proteinuria, new code


Chapter 15 – Pregnancy, Childbirth and the Puerperium (O00-O9A): ICD10 Coding Updates

Z3A- Weeks of gestation, now identifies specific week

O04- Complications following induced termination of pregnancy, An excludes note revision

Z33.2- Encounter for elective termination of pregnancy, uncomplicated, changed to Excludes2 status

O07.- Failed attempted termination of pregnancy, changed to Excludes2 status


Chapter 16, Conditions from Perinatal Period (P00-P96) ICD10 Coding Updates: 

P04.1- Revised code first instructions for Newborn affected by other maternal medication

P96.2-Withdrawal symptoms from therapeutic use of drugs in newborn, new code

P28.81- Respiratory arrest of newborn, now Excludes2 for P28.5

P22.0- Respiratory distress of newborn, now Excludes2 for P28.5

 Chapter 17 ICD10 Updates: 

Some changes in coding congenital conditions, including new codes for liver malformations and Craniosynostosis

Chapter 18 ICD10 Updates: 

R09.A- Foreign body sensation of the circulatory and respiratory system, new code

R92.3- Mammographic density, new codes

Chapter 19, injury, poisoning and consequences of external causes (S00-T88) ICD10 updates:

S22- Fracture of rib(s), sternum and thoracic spine, revised to code also instructions and Excludes1 note for R65.21

T56.82- Toxic effect of gadolinium, new code, several contexts

T81.1- Septic shock, deleted

Chapter 20 – External Causes of Morbidity (V00 – Y99) ICD10 updates: 

This chapter has the most significant update with 123 new codes.

Foreign Objects:

W44- New Category, Foreign body entering into or through a natural orifice, excludes

W26– Contact with other sharp objects

W35- Contact with sharp glass

W44.A- Battery entering into or through a natural orifice

-W44.A0- Battery unspecified, entering into or through a natural orifice

-W44.A1- Button battery entering into or through a natural orifice

-W44.A9- Other batteries entering into or through a natural orifice, Cylindrical battery

W44.C0XA- Glass unspecified, entering into or through a natural orifice, initial encounter

W44.H2XD- Knife, sword or dagger entering into or through a natural orifice, subsequent

Chapter 21, Health status and contact (Z00-Z99) ICD10 updates:  

Z29.81- Encounter for HIV pre-exposure prophylaxis

Z20.6- Contact with and suspected exposure to Human Immunodeficiency Virus HIV

Z72.5- High risk sexual behavior

Z62.8- Other specified problems related to upbringing

Z63.3- Absence of a family member

Z63.4- Disappearance and death of family member

Z63.5- Disruption of family by separation and divorce

Z63.8- Other specified problems related to primary support group

Z63.7- Other stressful life events affecting family and household

Z83.710- Family history of adenomatous and serrated polyps

Z83.711- Family history of hyperplastic colon polyps

Z83.718- Other family history of colon polyps

Z83.719- Family history of colon polyps, unspecified

Z91.85- Personal history of military service

Z91.82- Personal history of military deployment


Chapter 22, Codes for special purposes U00-U85 ICD10 Updates: 

U07.1- Updated instructions, (COVID-19)

D68.8- COVID-19 associated Coagulopathy

D65- Disseminated intravascular coagulation

D68.69- Hypercoagulable states

D68.69- Thrombophilia

Significance of the Changes/Updates

The 2024 ICD-10 changes/updates hold significant importance for the healthcare industry. Here are some of the key reasons why these modifications are noteworthy:

  • Implications for Healthcare Stakeholders:

The 2024 ICD-10 changes have ripple effects throughout the healthcare ecosystem. Let’s explore how these modifications affect different stakeholders:

  • Healthcare Providers: For healthcare providers, including hospitals, clinics and individual practitioners, adapting to the updated codes is essential. This ensures proper documentation, accurate billing and compliance with regulatory standards.
  • Medical Coders: Medical coders play a crucial role in translating clinical information into standardized codes. The 2024 changes will necessitate ongoing training and education to stay updated with the new codes and guidelines.
  • Payers and Insurers: Insurance companies and payers will need to adjust their reimbursement processes to align with the updated ICD-10 codes. This may impact how claims are processed and paid.
  • Researchers and Public Health Officials: The changes offer opportunities for more robust research, enabling better tracking of emerging diseases, mental health trends and genomic data, ultimately leading to improved public health initiatives.
  • Patients: Accurate Medical Coding also benefits patients by ensuring that their medical conditions and treatments are correctly documented, improving the quality of care they receive.

The 2024 ICD-10 changes are a significant development in the healthcare industry. These updates reflect the evolving landscape of medicine and healthcare practices. It is essential for all healthcare stakeholders to prepare for and adapt to these changes, as they hold the potential to enhance clinical accuracy, research capabilities and the overall quality of care provided to patients. Staying informed and up-to-date on these modifications is crucial for ensuring the continued success and growth of the healthcare sector. https://www.cms.gov/medicare/coding-billing/icd-10-codes/2024-icd-10-cm

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