M20.01

Non-Billable

ChapterM00–M99

Ranksubcategory

Official Description

Mallet finger

Use a more specific code (3 billable)

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

General instructions are available for the parent sections:

BillableHas subcodes

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M20-M25Other joint disorders (M20-M25)

M20Acquired deformities of fingers and toes

M20.0Deformity of finger(s)

M20.01Mallet fingerNot billable

M20.011Mallet finger of right finger(s)Billable

M20.012Mallet finger of left finger(s)Billable

M20.019Mallet finger of unspecified finger(s)Billable

The following parent sections contain instructions or notes that apply to M20.01:

subcategoryM20.0

Deformity of finger(s)

categoryM20

Acquired deformities of fingers and toes

Other joint disorders (M20-M25)

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

2026

No direct MS-DRG triggers identified.

Find surgical and procedural codes related to Mallet finger.