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ICD-10-CM 2024 Updates: What Healthcare Professionals Need to Know? PART – 2

In the first part of our discussion on the 2024 updates to ICD-10-CM, we explored the updated ICD-10-CM codes up to Chapter 10. Continuing from where we left off in Part 1, let’s now focus on the remaining updates and the codes that have been removed in Part 2 of this blog.

Table of Contents

Chapter 11: Updates on Codes for Digestive System Diseases

The latest revision introduces 17 additional codes that encompass diverse clinical scenarios such as acute appendicitis complicated with extensive peritonitis, excessive bacterial or fungal growth in the small intestine, and cases of small bowel syndrome. enabling more accurate documentation and tracking of these conditions in clinical practice.

K35.200 Acute appendicitis with generalized peritonitis, without perforation or abscess
K35.201 Acute appendicitis with generalized peritonitis, with perforation, without abscess
K35.209 Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
K35.210 Acute appendicitis with generalized peritonitis, without perforation, with abscess
K35.211 Acute appendicitis with generalized peritonitis, with perforation and abscess
K35.219 Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtype
K63.8212 Small intestinal bacterial overgrowth, hydrogen sulfide-subtype
K63.8219 Small intestinal bacterial overgrowth, unspecified
K63.822 Small intestinal fungal overgrowth
K63.829 Intestinal methanogen overgrowth, unspecified
K68.2 Retroperitoneal fibrosis
K68.3 Retroperitoneal hematoma
K90.821 Short bowel syndrome with colon in continuity
K90.822 Short bowel syndrome without colon in continuity
K90.829 Short bowel syndrome, unspecified
K90.83 Intestinal failure

Chapter 13: Updates to Codes for Musculoskeletal System Diseases

The recent developments in coding procedures encompass the addition of 36 new codes, specifically designed to document cases of osteoporosis-related pathological fractures occurring in the pelvis. These codes are further classified with the help of a 7th character extension, allowing for precise identification of initial encounter, repeated encounter, delay in healing, nonunion, malunion, as well as encounter for sequelae.

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
M80.8B1 Other osteoporosis with current pathological fracture, right pelvis
M80.8B2 Other osteoporosis with current pathological fracture, left pelvis
M80.8B9 Other osteoporosis with current pathological fracture, unspecified pelvis

Chapter 14: Updates Regarding Codes for Genitourinary System Diseases

This chapter introduces 15 newly established diagnostic codes, covering conditions such as recurrent and enduring IgAN – Immunoglobulin A Nephropathy, the primary type of Glomerulonephropathy, a condition affecting the glomeruli in the kidneys.

N02.B1 Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion
N02.B2 Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion
N02.B3 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis
N02.B4 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis
N02.B5 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis
N02.B6 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangiocapillary glomerulonephritis
N02.B9 Other recurrent and persistent immunoglobulin A nephropathy
N04.20 Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified
N04.21 Primary membranous nephropathy with nephrotic syndrome
N04.22 Secondary membranous nephropathy with nephrotic syndrome
N04.29 Other nephrotic syndrome with diffuse membranous glomerulonephritis
N06.20 Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified
N06.21 Primary membranous nephropathy with isolated proteinuria
N06.22 Secondary membranous nephropathy with isolated proteinuria
N06.29 Other isolated proteinuria with diffuse membranous glomerulonephritis

Chapter 15: Updates to Codes for Pregnancy, Labor, and the Postpartum Period

Within the most recent chapter revision, six additional medical codes have been introduced to encompass various medical conditions, including ICP- Intrahepatic Cholestasis of Pregnancy. ICP is a unique pregnancy-related disorder distinguished by the disruption of bile acid flow within the liver, leading to the accumulation of bile acids in the maternal bloodstream as well as the amniotic fluid surrounding the developing fetus.

O26.641 Intrahepatic cholestasis of pregnancy, first trimester
O26.642 Intrahepatic cholestasis of pregnancy, second trimester
O26.643 Intrahepatic cholestasis of pregnancy, third trimester
O26.649 Intrahepatic cholestasis of pregnancy, unspecified trimester
O90.41 Hepatorenal syndrome following labor and delivery
O90.49 Other postpartum acute kidney failure

Chapter 17: Updates on Codes for Congenital Malformations

Within the domain of congenital malformations, this chapter presents 22 new codes, providing distinct delineations for specific forms of craniosynostosis.

Q44.70 Other congenital malformation of liver, unspecified
Q44.71 Alagille syndrome
Q44.79 Other congenital malformations of liver
Q75.001 Craniosynostosis unspecified, unilateral
Q75.002 Craniosynostosis unspecified, bilateral
Q75.009 Craniosynostosis unspecified
Q75.01 Sagittal craniosynostosis
Q75.021 Coronal craniosynostosis unilateral
Q75.022 Coronal craniosynostosis bilateral
Q75.029 Coronal craniosynostosis unspecified
Q75.03 Metopic craniosynostosis
Q75.041 Lambdoid craniosynostosis, unilateral
Q75.042 Lambdoid craniosynostosis, bilateral
Q75.049 Lambdoid craniosynostosis, unspecified
Q75.051 Cloverleaf skull
Q75.052 Pansynostosis
Q75.058 Other multi-suture craniosynostosis
Q75.08 Other single-suture craniosynostosis
Q87.83 Bardet-Biedl syndrome
Q87.84 Laurence-Moon syndrome
Q87.85 MED13L syndrome
Q93.52 Phelan-McDermid syndrome

Chapter 18: Updates for Codes Addressing Clinical Indications, Signs, as well as Abnormal Clinical and Laboratory Discoveries

The latest updates include the incorporation of 18 new codes, addressing a diverse spectrum of medical conditions, which include the sensation of a foreign body presence as well as breast density.

R09.A0 Foreign body sensation, unspecified
R09.A1 Foreign body sensation, nose
R09.A2 Foreign body sensation, throat
R09.A9 Foreign body sensation, other site
R40.2A Nontraumatic coma due to underlying condition
R92.30 Dense breasts, unspecified
R92.311 Mammographic fatty tissue density, right breast
R92.312 Mammographic fatty tissue density, left breast
R92.313 Mammographic fatty tissue density, bilateral breasts
R92.321 Mammographic fibroglandular density, right breast
R92.322 Mammographic fibroglandular density, left breast
R92.323 Mammographic fibroglandular density, bilateral breasts
R92.331 Mammographic heterogeneous density, right breast
R92.332 Mammographic heterogeneous density, left breast
R92.333 Mammographic heterogeneous density, bilateral breasts
R92.341 Mammographic extreme density, right breast
R92.342 Mammographic extreme density, left breast
R92.343 Mammographic extreme density, bilateral breasts

Chapter 19: Updates Regarding Codes for Injuries and Poisoning

The most recent revision introduces 12 new diagnostic codes specifically designed to address the diverse toxic effects associated with gadolinium exposure. Within these code sets, a 7th character extension further classifies cases into initial encounters, frequent/ recurrent encounters, and encounters for long-term sequelae management.

T56.821 Toxic effect of gadolinium, accidental (unintentional)
T56.822 Toxic effect of gadolinium, intentional self-harm
T56.823 Toxic effect of gadolinium, assault
T56.824 Toxic effect of gadolinium, undetermined

Chapter 20: Updates to Codes for Morbidity-Related External Factors

The section incorporates an additional 123 new diagnostic codes specifically designed to address incidents involving foreign objects entering the body through natural orifices. These objects may include items such as buttons, batteries, plastic fragments, jewellery, and more. Furthermore, these code sets are improved with a 7th character extension, enabling differentiation between the initial encounter, more frequent encounters, as well as sequelae encounters. This enhancement ensures a comprehensive range of coding options for accurately documenting such clinical scenarios.

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
W44.B0 Plastic object unspecified, entering into or through a natural orifice
W44.B1 Plastic bead entering into or through a natural orifice
W44.B2 Plastic coin entering into or through a natural orifice
W44.B3 Plastic toy and toy part entering into or through a natural orifice
W44.B4 Plastic jewelry entering into or through a natural orifice
W44.B5 Plastic bottle entering into or through a natural orifice
W44.B9 Other plastic object entering into or through a natural orifice
W44.C0 Glass unspecified, entering into or through a natural orifice
W44.C1 Sharp glass entering into or through a natural orifice
W44.C2 Intact glass entering into or through a natural orifice
W44.D0 Magnetic metal object unspecified, entering into or through a natural orifice
W44.D1 Magnetic metal bead entering into or through a natural orifice
W44.D2 Magnetic metal coin entering into or through a natural orifice
W44.D3 Magnetic metal toy entering into or through a natural orifice
W44.D4 Magnetic metal jewelry entering into or through a natural orifice
W44.D9 Other magnetic metal objects entering into or through a natural orifice
W44.E0 Non-magnetic metal object unspecified, entering into or through a natural orifice
W44.E1 Non-magnetic metal bead entering into or through a natural orifice
W44.E2 Non-magnetic metal coin entering into or through a natural orifice
W44.E3 Non-magnetic metal toy entering into or through a natural orifice
W44.E4 Non-magnetic metal jewelry entering into or through a natural orifice
W44.E9 Other non-magnetic metal objects entering into or through a natural orifice
W44.F0 Objects of natural or organic material unspecified, entering into or through a natural orifice
W44.F1 Bezoar entering into or through a natural orifice
W44.F2 Rubber band entering into or through a natural orifice
W44.F3 Food entering into or through a natural orifice
W44.F4 Insect entering into or through a natural orifice
W44.F9 Other object of natural or organic material, entering into or through a natural orifice
W44.G0 Other non-organic objects unspecified, entering into or through a natural orifice
W44.G1 Audio device entering into or through a natural orifice
W44.G2 Combination metal and plastic toy and toy part entering into or through natural orifice
W44.G3 Combination metal and plastic jewelry entering into or through a natural orifice
W44.G9 Other non-organic objects entering into or through a natural orifice
W44.H0 Other sharp object unspecified, entering into or through a natural orifice
W44.H1 Needle entering into or through a natural orifice
W44.H2 Knife, sword or dagger entering into or through a natural orifice
W44.8 Other foreign body entering into or through a natural orifice
W44.9 Unspecified foreign body entering into or through a natural orifice

Chapter 21: Updates to Codes Related to Factors Affecting State of Health and Engagement with Healthcare Services

This section introduces a set of 30 new medical codes specifically developed to cover a wide spectrum of health-related conditions. These newly introduced codes encompass carrier status, historical health, and codes pertinent to SDoH- Social Determinants of Health. For instance, a notable inclusion is the establishment of the subcategory ‘Caregiver’s noncompliance with patient’s medical treatment & regimen,’ exemplifying the chapter’s emphasis on elements that can significantly impact an individual’s health status as well as interactions with healthcare services.

Z02.84 Encounter for child welfare exam
Z05.81 Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
Z05.89 Observation and evaluation of newborn for other specified suspected condition ruled out
Z16.13 Resistance to carbapenem
Z22.340 Carrier of carbapenem-resistant Acinetobacter baumannii
Z22.341 Carrier of carbapenem-sensitive Acinetobacter baumannii
Z22.349 Carrier of Acinetobacter baumannii, unspecified
Z22.350 Carrier of carbapenem-resistant Enterobacterales
Z22.358 Carrier of other Enterobacterales
Z22.359 Carrier of Enterobacterales, unspecified
Z29.81 Encounter for HIV pre-exposure prophylaxis
Z29.89 Encounter for other specified prophylactic measures
Z62.23 Child in custody of non-parental relative
Z62.24 Child in custody of non-relative guardian
Z62.831 Non-parental relative-child conflict
Z62.832 Non-relative guardian-child conflict
Z62.833 Group home staff-child conflict
Z62.892 Runaway [from current living environment]
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.A41 Caregiver’s other noncompliance with patient’s medication regimen due to financial hardship
Z91.A48 Caregiver’s other noncompliance with patient’s medication regimen for other reason
Z91.A51 Caregiver’s noncompliance with patient’s renal dialysis due to financial hardship
Z91.A58 Caregiver’s noncompliance with patient’s renal dialysis for other reason
Z91.A91 Caregiver’s noncompliance with patient’s other medical treatment and regimen due to financial hardship
Z91.A98 Caregiver’s noncompliance with patient’s other medical treatment and regimen for other reason
Z91.85 Personal history of military service
Z91.89 Other specified personal risk factors, not elsewhere classified

In the initial section of the blog (PART-1), we mentioned that 25 codes will no longer be in use in ICD-10, effective from 2024. Now, let’s look into the list of codes that are being removed:

9 Benign neoplasm of ill-defined sites within the digestive system
1 Neoplasm of uncertain behavior of connective and other soft tissue
8 Other hypoparathyroidism
8 Other disorders of purine and pyrimidine metabolism
81 Metabolic syndrome
G20 Parkinson’s disease
8 Other specified demyelinating diseases of central nervous system
H36 Retinal disorders in diseases classified elsewhere
8 Other forms of angina pectoris
8 Other forms of acute ischemic heart disease
1 Supraventricular tachycardia
6 Pneumonia due to other Gram-negative bacteria
20 Acute appendicitis with generalized peritonitis, without abscess
21 Acute appendicitis with generalized peritonitis, with abscess
2 Nephrotic syndrome with diffuse membranous glomerulonephritis
2 Isolated proteinuria with diffuse membranous glomerulonephritis
4 Postpartum acute kidney failure
7 Other congenital malformations of liver
0 Craniosynostosis
8 Observation and evaluation of newborn for other specified suspected condition ruled out
8 Encounter for other specified prophylactic measures
71 Family history of colonic polyps
A4 Caregiver’s other noncompliance with patient’s medication regimen
A5 Caregiver’s noncompliance with patient’s renal dialysis
A9 Caregiver’s noncompliance with patient’s other medical treatment and regimen

Final Thoughts

The ICD-10-CM 2024 updates bring significant changes and additions that healthcare professionals must be well-informed about. These updates reflect the evolving landscape of medical knowledge and clinical practices. With 395 new codes, 25 removals, and 22 modifications, these revisions enhance the accuracy and specificity of diagnostic coding across various medical specialties. From addressing infectious diseases and rare conditions like desmoid tumors to providing codes for sickle-cell anemia with dactylitis and complex neurodegenerative disorders, these updates empower healthcare providers to document and treat a wide range of medical conditions more precisely. Additionally, the inclusion of codes related to social determinants of health underlines the importance of addressing non-medical factors that impact patients’ well-being.

These changes not only streamline billing and reimbursement processes but also contribute to improved patient care, research, and public health reporting. As healthcare professionals, staying up-to-date with these updates is vital to navigate the ever-evolving world of healthcare coding and diagnosis effectively. The ICD-10-CM 2024 updates pave the way for more accurate and comprehensive healthcare documentation, ultimately benefiting both patients and the healthcare industry as a whole.

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* For more information, you can refer to the links below:

Centers for Medicare & Medicaid Services (CMS) (or) Centers for Disease Control and Prevention (CDC)*