AutoICD API

M85.4

Non-billable

Solitary bone cyst

Solitary bone cyst

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

M80-M85

Parent Code

M85

Child Codes

9

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • osteogenesis imperfecta (Q78.0)
  • osteopetrosis (Q78.2)
  • osteopoikilosis (Q78.8)
  • polyostotic fibrous dysplasia (Q78.1)

Excludes 2

Conditions not included here, but the patient may have both

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • solitary cyst of jaw (M27.4)

Child Codes (9)

M85.40

Solitary bone cyst, unspecified site

BillableM85.41

Solitary bone cyst, shoulder

M85.42

Solitary bone cyst, humerus

M85.43

Solitary bone cyst, ulna and radius

M85.44

Solitary bone cyst, hand

M85.45

Solitary bone cyst, pelvis

M85.46

Solitary bone cyst, tibia and fibula

M85.47

Solitary bone cyst, ankle and foot

M85.48

Solitary bone cyst, other site

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code M85.4?

ICD-10-CM code M85.4 represents "Solitary bone cyst". It is a non-billable header code — use a more specific child code for billing purposes.

Is M85.4 a billable code?

No, M85.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under M85.4.

What chapter is M85.4 in?

M85.4 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M85.4?

M85.4 has Excludes1 notes indicating codes that cannot be used together with it, including: osteogenesis imperfecta (Q78.0); osteopetrosis (Q78.2); osteopoikilosis (Q78.8); and 1 more.

What are the subcategories under M85.4?

M85.4 has 9 child codes, including: M85.40 (Solitary bone cyst, unspecified site), M85.41 (Solitary bone cyst, shoulder), M85.42 (Solitary bone cyst, humerus), M85.43 (Solitary bone cyst, ulna and radius), and 5 more.

What are the UMLS CUIs for M85.4?

M85.4 is linked to 1 UMLS Concept Unique Identifier: C0005937. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.