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Mike Enos

V97.33XXD: How the heck can you get sucked into a jet engine more than once?

A common misconception about the 7th character extensions in ICD-10 is the use of the A, D or S extensions on the External Causes of Morbidity, such as “V97.33 Sucked into jet engine”. This category of codes requires a seventh character to report the episode of care. “A” initial encounter, “D” subsequent encounter or “S” sequela.

I have heard many funny jokes about the codes in Chapter 20, External Causes of Morbidity. While seminar audiences laugh at the idea of a subsequent encounter, sucked into a jet engine, it is a good opportunity to clarify the use of the 7th character extensions.

The 7th character extension is reported on the primary code, usually from Chapter 19: Injury, Poisoning and Certain other consequences of External Causes. Codes in Chapter 19 should be followed by a code from Chapter 20 to report the cause of the injury. Both of these codes require a 7th character to report the episode of care.

Let’s say that a person was actually sucked into a jet engine, and went to the Emergency Department with a fractured ankle. Otherwise, he had only minor superficial injuries (did I mention the patient is Iron Man? No, that would be a HIPAA violation).

Primary Diagnosis: S82.51XA Displaced fracture of the medial malleolus of the right tibia, initial encounter

Second Diagnosis: V97.33XA Sucked into jet engine, initial encounter

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