Question 1

Is M91 a billable ICD-10 code?

Accepted Answer

No, M91 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 M91 mean?

Accepted Answer

ICD-10-CM code M91 represents Juvenile osteochondrosis of hip and pelvis. 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 M91 introduced?

Accepted Answer

Code M91 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 M91?

Accepted Answer

The parent category for M91 is section:M91-M94 (Chondropathies (M91-M94)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from M91?

Accepted Answer

Code M91 has Type 1 Excludes (mutually exclusive conditions) including: slipped upper femoral epiphysis (nontraumatic) (M93.0-). These conditions cannot be coded together with M91 as they represent different diagnoses.

M912026

Excludes12Not coded together

Excludes210Not included here

Notes1Additional information

Is M91 a billable ICD-10 code?

What does ICD-10 code M91 mean?

When was ICD-10 code M91 introduced?

What is the parent category for ICD-10 code M91?

What conditions are excluded from M91?