The Centers for Disease Control and Prevention (CDC) released the ICD-10-CM codes for the 2024 fiscal year (FY) on Friday, June 16. This release included 395 additions, 25 deletions, and 13 revisions. The deletions are due to the expansion of the diagnosis codes. The total ICD-10-CM codes for FY 2024 is 74,044. These codes will be effective starting with Oct. 1, 2023 visits or discharges.
The distribution of code changes is shown in the table below:
| Chap. | Description | Mnemonic | Additions | Deletions | Changes |
| 1 | Infectious & Parasitic Diseases (A/B) | Advancing Bugs | 1 | 0 | 0 |
| 2 | Neoplasms (C/D) | Cancer/Death | 21 | 2 | 0 |
| 3 | Diseases of Blood and Blood Forming Organs (D) | Dracula | 0 | 0 | 0 |
| 4 | Diseases of Endocrine System (E) | Endocrine | 18 | 3 | 0 |
| 5 | Mental, Behavioral, & Neurodevelopmental Disorders (F) | Freud | 0 | 0 | 0 |
| 6 | Diseases of Nervous System (G) | “Gittery” | 24 | 2 | 0 |
| 7 | Diseases of Eye and Adnexa (H) | Hyphemia | 34 | 1 | 0 |
| 8 | Diseases of Ear and Mastoid Process (H) | Hearing | 0 | 0 | 0 |
| 9 | Diseases of the Circulatory System (I) | Infarction | 10 | 3 | 5 |
| 10 | Diseases of the Respiratory System (J) | Just Gasping | 7 | 1 | 0 |
| 11 | Diseases of the Digestive System (K) | Knot in Stomach | 17 | 2 | 0 |
| 12 | Diseases of Skin and Subcutaneous Tissue (L) | Lipoma | 0 | 0 | 0 |
| 13 | Diseases of Musculoskeletal System and Connective Tissue (M) | Muscles | 36 | 0 | 0 |
| 14 | Diseases of Genitourinary System (N) | Nocturia | 15 | 2 | 1 |
| 15 | Childbirth, Pregnancy, & Puerperium (O) | Obstetrics | 6 | 1 | 0 |
| 16 | Conditions Originating in the Perinatal Period (P) | Perinatal | 0 | 0 | 1 |
| 17 | Congenital Malformations, Deformations, and Chromosomal Abnormalities (Q) | Quirky | 22 | 2 | 6 |
| 18 | Signs & Symptoms (R) | Readily Apparent | 18 | 0 | 0 |
| 19 | Injury and Poisoning (S &T) | Simply Traumatic | 12 | 0 | 0 |
| 20 | External Cause of Morbidity (V, W, X, Y) | Vehicle, Whoops, eXposure, and whY | 123 | 0 | 0 |
| 21 | Factors Influencing Health Status and Contact with Health Services (Z) | Zero Problems | 30 | 6 | 0 |
| 22 | Codes for Special Purposes (U) | Unusual | 0 | 0 | 0 |
| Grand Total | 74,044 | 395 | 25 | 13 |
The chapter with the largest update is Chapter 20, with 123 new codes. The expansion in this chapter pertains to foreign bodies, including button batteries, other, plastic objects, glass items, magnetic metal objects, non-magnetic things, rubber bands, food, non-organic items, and sharp objects entering into or through a natural orifice.
The Diseases of Musculoskeletal System chapter has the second-most changes, with 36 additions. Age-related and other osteoporosis with sites of left, right, and unspecified pelvis are the reasons for these changes.
Diseases of the Eye and Adnexa, Chapter 7, has 34 additions and one deletion. The new codes include non-proliferative/proliferative sickle-cell retinopathy, specific eye muscle entrapment, and foreign body sensation. The changes also include laterality.
The fourth-most changes are found in Chapter 21 (Factors Influencing Health Status and Contact with Health Services), with 30 additions and six deletions. As stated before, the deletions are due to expanded diagnosis codes. The new codes include observation of newborn for suspected condition ruled out, carrier of Acinetobacter baumannii bacteria, encounter for prophylactic measures, family history of specific colon polyps, and caregiver’s non-compliance type. The Social Determinants of Health (SDoH) have also been enhanced, with new codes for child custody and parental/adult-child conflict.
The new code topics can be found in the materials for the Coordination and Maintenance Committee meetings of March and September 2022. The presentations, recordings, and meeting materials can be found on the CDC website.
The ICD-10-CM guideline changes were not released with the new codes. That document is a coming attraction. The guideline changes and new code details will be discussed on Aug. 15 in an upcoming webcast.
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