Ask the Experts: October 13, 2014

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Question: What is the ICD-9 and ICD-10 codes for Acinetobacter Baumannii?

Answer: ICD-9 -- 041.84 -- Gram-negative anaerobes

ICD 10 CM -- B9689 -- Other specified bacterial agents as the cause of diseases classified elsewhere

Acinetobacter baumannii: Aerobic gram-negative coccobacillus or rod, often mistaken for Neisseria or Moraxella on Gram stain.

  • Common in environment (water, soil) and hospital (catheters, lotions, ventilation equipment)
  • Grows on standard agar media
  • baumannii is the major species of Acinetobacter
    • Occasional other species include: A. calcoaceticus, A. lwoffi, A. junii, A. johnsonii and A. baylyi.


- Bella Logvinov MBA, CCS, CPC

Question: A physician states that a patient has hypothyroidism and is on Levothyroxine. The surgical history states a thyroidectomy. Is it okay to use 244.0 postsurgical hypothyroidism or must the physician must state the relationship? In a similar example, a physician states a vaginal wall prolapse and the surgical history states a previous hysterectomy. Must the physician state a cause and effect relationship between the two to use 618.5?

Answer: The ICD-9-CM index lists the subterm "postsurgical" under the term "hypothyroidism" and lists the code 244.0. You can use 244.0 postsurgical hypothyroidism without the physician stating a relationship. There is also a subterm "due to" under hypothyroidism in the ICD-9-CM Index, but the "postsurgical" subterm just suggests after surgery. In 3M Encoder, coding path, Hypothyroidism/following surgical removal/ post-surgical leads to code 244.0.

The same would apply to vaginal wall prolapse. In the ICD-9-CM Index under term "prolapse," subterm "vagina," the next subterm after that lists "post hysterectomy" code 618.5. In 3M Encoder code path, prolapse/vagina/*prolapse of vaginal vault after hysterectomy leads to code 618.5.

- Tara Quick, RHIT, CCS

ICD Q & A Archives


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