Question 1

Is X35 a billable ICD-10 code?

Accepted Answer

Yes, X35 is a valid billable ICD-10-CM code for volcanic eruption. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code X35 mean?

Accepted Answer

ICD-10-CM code X35 represents Volcanic eruption. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code X35 introduced?

Accepted Answer

Code X35 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code X35?

Accepted Answer

The parent category for X35 is section:X30-X39 (Exposure to forces of nature (X30-X39)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from X35?

Accepted Answer

Code X35 has Type 2 Excludes including: tidal wave (tsunami) due to volcanic eruption (X37.41). These conditions are not included in X35 but can be coded together if the patient has both conditions.

Question 6

Does X35 require a 7th character extension?

Accepted Answer

Yes, X35 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., X35XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

X35.XXXA2026

Excludes21Not included here

Notes1Additional information

Also Known As2Alternative terms

7th Character Extensions3Encounter type specifiers