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More than a dozen changes to the ICD-10-CM tabular list will go into effect April 1

Check out the ICD-10-CM changes that will go into effect April 1, 2025. The CDC did not release any new codes, but you should review the ICD-10-CM Tabular List of Diseases and Injuries 2025 Addenda April Update with your staff before April 1.
 
“The April 1, 2025 diagnosis code update files now available address revisions and typographical errors,” according to a notice on the CMS ICD-10 webpage.
 
A text-only comparison of the October 1 and April 1 code files did not reveal spelling or other grammatical changes to the code set. However, the tabular list located in the new addendum files (Zip file) includes a correction to the spelling of Pneumocystis jirovecii, which is in a clarifying term for B59 (Pneumocystosis) and an Excludes1 note for J17 (Pneumonia in diseases classified elsewhere).
 
You’ll find new use additional code notes that instruct coders to report E88.A (Wasting disease [syndrome] due to underlying condition) for associated cachexia when applicable with code J65 (Pneumoconiosis associated with tuberculosis) and code categories (A15-A19) Tuberculosis and N18 (Chronic kidney disease [CKD]).
 
Other changes include:
  1. A new Excludes1 note for postsurgical malabsorption, not elsewhere classified (K91.2) was added to code category K90.82 (Short bowel syndrome).
  2. The word “complicated” is deleted from the Excludes2 note “encounter for elective termination of pregnancy (Z33.2),” under code category O04 (Complications following (induced) termination of pregnancy).
  3. Under the chapter header for Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88), codes in the birth trauma (P10-P15) and obstetric trauma (O70-O71) category shifted from Excludes1 to Excludes2.
  4. The 7th character note for code category S06 (Intracranial injury) has been revised from “The appropriate 7th character is to be added to each code from category S06” to “The appropriate 7th character is to be added to each code from category S06, except as noted below.”
Watch for an update to the guidelines. A note on the CMS ICD-10 webpage states, “2025 ICD-10-CM Coding Guidelines – NOT YET AVAILABLE,” which suggests that a revised guideline is in the works.
 
 
Blog Tags: CMS, ICD-10
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