M85.4 ICD-10-CM Code: Solitary bone cyst

M85.4 isn’t billable on its own. Choose one of the 23 billable codes beneath it, the one the documentation supports.

Official description

M85.4

Solitary bone cyst

ICD-10-CM diagnosis code · United States clinical modification

Billable codes under M85.4

M85.4 can’t be reported on its own. Choose the code below that matches what the note documents.

Where M85.4 sits

  1. 1

    Chapter 13

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

  2. 2

    Section

    Disorders of bone density and structure (M80-M85)

  3. 3

    Category M85

    Other disorders of bone density and structure

  4. 4

    Code M85.4

    Solitary bone cyst

Notes for this code

Inclusion terms

No inclusion terms are listed for M85.4.

Code first

No “code first” instruction is listed for M85.4.

Use additional code

No “use additional code” instruction is listed for M85.4.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for M85.4.

Excludes2

Conditions not included here that may be reported separately when present.

  • solitary cyst of jaw (M27.4)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code M85.4 mean?

M85.4 is the FY 2027 U.S. ICD-10-CM code for “Solitary bone cyst.”

Is M85.4 a billable or specific ICD-10-CM code?

No. M85.4 has 23 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is M85.4 located in ICD-10-CM?

M85.4 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Disorders of bone density and structure (M80-M85) (M80–M85), under category M85, Other disorders of bone density and structure.

What coding notes are listed for M85.4?

No inclusion terms are listed for M85.4 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: solitary cyst of jaw (M27.4).