Question 1

Is M35 a billable ICD-10 code?

Accepted Answer

No, M35 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code M35 mean?

Accepted Answer

ICD-10-CM code M35 represents Other systemic involvement of connective tissue. 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 M35 introduced?

Accepted Answer

Code M35 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 M35?

Accepted Answer

The parent category for M35 is section:M30-M36 (Systemic connective tissue disorders (M30-M36)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from M35?

Accepted Answer

Code M35 has Type 1 Excludes (mutually exclusive conditions) including: reactive perforating collagenosis (L87.1). These conditions cannot be coded together with M35 as they represent different diagnoses.

M352026

Excludes12Not coded together

Excludes210Not included here

Notes1Additional information

Includes4Included conditions

Is M35 a billable ICD-10 code?

What does ICD-10 code M35 mean?

When was ICD-10 code M35 introduced?

What is the parent category for ICD-10 code M35?

What conditions are excluded from M35?