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Medical Coders at Work - Medical coders reviewing and updating codes

ICD-10 CM 2024: The Latest Changes and Their Impact on Medical Coders

As a vigilant Medical Billing Company, we stay up-to-date with bi-annual ICD-10 updates. FY 2024 changes effective October 1st may help you bill more accurately.

To summarize this year, we may see 395 brand new ICD-10 codes, 25 deletions, and 13 (22) revisions

An overview of the changes, revisions and deletion of the CPT codes for Nervous System, Eye & Adnexa, Musculoskeletal System, Congenital & Chromosomal and Health Status Factors in ICD-10 CM 2024

Certain infectious and parasitic diseases

  • A new code: A41.54 Sepsis due to Acinetobacter baumannii.

Diseases of the nervous system

  • 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
  • G43 Migraine: New codes for chronic migraines and pain manageability.

Diseases of the blood and blood-forming organs and immune disorders

  • Under Diseases of Blood, there are several additions & revisions for reporting sickle-cell disorders.
  • The ICD 10 code for familial adenomatous polyposis (FAP) is D12.6. A new code has been added to capture benign neoplasms elsewhere in the digestive system.
  • D13.9 was revised to D13.99 for the benign neoplasm of ill-defined digestive sites.
  • The new Z-codes are to report the family history of FAP.
  • New codes for desmoid tumors (D48.11-).
  • (New D48.19 code for neoplasms of uncertain behavior of connective and soft tissue.)
  • New codes: D61.02 Schwachman-Diamond, D89.84 IgG4-related disease, with revisions.

Endocrine, nutritional, and metabolic diseases

  • New codes for Autosomal dominant hypocalcemia (ADH) in Endocrine, Nutritional, and Metabolic Diseases.
  • New codes for reporting various lipid storage disorders & for improved reporting of leukodystrophies
  • E74.05 is a new code for lysosome-associated membrane protein 2 [LAMP2] deficiency
  • E88.810-E88.819: New codes for insulin-resistant metabolic syndrome types A, B, & unspecified.

Diseases of the circulatory system

  • New codes for other hypertension (I1A-) and inappropriate sinus tachycardia (I47.10-I47.19).

Diseases of the respiratory system

  • Addition of a new subcategory and new codes to identify bronchiolitis obliterans syndrome.

Diseases of the digestive system

  • New codes for acute appendicitis, retroperitoneum disorders, short bowel syndrome, and intestinal failure.

Diseases of the musculoskeletal system and connective tissue

  • M80.0B: age-related osteoporosis with fracture; M80.8B: other osteoporosis with pelvic fracture

Diseases of the genitourinary system

  • N02.B Recurrent & persistent immunoglobulin A nephropathy to indicate IgAN severity or course
  • N04, N06 - new codes added
  • Pregnancy, childbirth, and the puerperium

Pregnancy, childbirth, and the puerperium

New codes O26.64- for the reporting of intrahepatic cholestasis in pregnancy.

External Causes of Morbidity

  • V00-Y99: new codes for accidents and injuries such as:
  • W44.A1XA, Button battery entering into or through a natural orifice, initial encounter
  • 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

Changes to ICD-10 Coding Guidelines

Here are some key new guidelines for ICD-10 FY 2024 as listed in a recent AAPC article:

Pregnancy, childbirth, and the puerperium

  • Screening for COVID-19: Z11.52 for COVID-19 screening on/after Oct. 1, 2023
  • New guideline: Use Z11.52 for COVID-19 screening, including preoperative testing.
  • Myocardial Infarction with Coronary Microvascular Dysfunction: I21.B. MI with microvascular Disease, & MINOCA
  • The FY 2024 ICD-10 guideline states:
  • CMD: restricted microvascular flow, increased resistance. I21.B for MI with coronary microvascular dysfunction
  • Coma
  • R40.20 for unspecified coma when cause unknown or TBI without documented coma scale.
  • Avoid reporting coma or GCS scores for sedated patients.
  • Coma scale codes (R40.21–R40.24) can be used in conjunction with traumatic brain injury codes. Not for use with R40.2A; mainly for trauma registries, but can be used elsewhere for data collection. The coma scale codes should be sequenced after the diagnosis code(s).”
  • Newly added code R40.2A also describes secondary coma. Code the underlying condition first, as per the ICD-10-CM parenthetical note.
  • Follow-up: Use Z08 for cancer post-treatment follow-up & Z09 for other conditions after treatment.
  • Reporting Additional Diagnoses: In Reporting Additional Diagnoses, "clinically significant" is now added to the guideline: "For reporting, 'other diagnoses' means clinically significant conditions impacting patient care by requiring..."

To end this, this is merely a summary of the updates related to diagnosis coding for FY 2024. The coding team should track denials from wrong code reporting due to yearly changes.

Billing agencies minimize errors and ensure accurate reporting for procedure necessity.

To be updated with these modifications is to ensure your practice is on the right track. Providers and coders should carefully review codes impacting their specialty.

AltuMED is a Medical Billing Services and Solutions Company providing services for more than a decade. Our Medical Billing and Coding experts help Medical Coders and Medical Practices to stay vigilant with the latest coding updates to avoid any inaccuracies. Contact us for more!

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