AutoICD API

M90.5

Non-billable

Osteonecrosis in diseases classified elsewhere

Osteonecrosis in diseases classified elsewhere

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

Status

Non-billable / Header

Block

M86-M90

Parent Code

M90

Child Codes

10

Coding Notes

Excludes 1

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

  • postprocedural osteopathies (M96.-)
  • osteochondritis, osteomyelitis, and osteopathy (in):
  • cryptococcosis (B45.3)
  • diabetes mellitus (E08-E13 with .69-)
  • gonococcal (A54.43)
  • neurogenic syphilis (A52.11)
  • renal osteodystrophy (N25.0)
  • salmonellosis (A02.24)
  • secondary syphilis (A51.46)
  • syphilis (late) (A52.77)

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)

Code First

The underlying condition must be sequenced before this code

  • underlying disease, such as:
  • caisson disease (T70.3)
  • hemoglobinopathy (D50-D64)

Child Codes (10)

M90.50

Osteonecrosis in diseases classified elsewhere, unsp site

BillableM90.51

Osteonecrosis in diseases classified elsewhere, shoulder

M90.52

Osteonecrosis in diseases classified elsewhere, upper arm

M90.53

Osteonecrosis in diseases classified elsewhere, forearm

M90.54

Osteonecrosis in diseases classified elsewhere, hand

M90.55

Osteonecrosis in diseases classified elsewhere, thigh

M90.56

Osteonecrosis in diseases classified elsewhere, lower leg

M90.57

Osteonecrosis in diseases classd elswhr, ankle and foot

M90.58

Osteonecrosis in diseases classified elsewhere, other site

BillableM90.59

Osteonecrosis in diseases classd elswhr, multiple sites

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code M90.5?

ICD-10-CM code M90.5 represents "Osteonecrosis in diseases classified elsewhere". It is a non-billable header code — use a more specific child code for billing purposes.

Is M90.5 a billable code?

No, M90.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under M90.5.

What chapter is M90.5 in?

M90.5 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M90.5?

M90.5 has Excludes1 notes indicating codes that cannot be used together with it, including: postprocedural osteopathies (M96.-); osteochondritis, osteomyelitis, and osteopathy (in):; cryptococcosis (B45.3); and 7 more.

What are the subcategories under M90.5?

M90.5 has 10 child codes, including: M90.50 (Osteonecrosis in diseases classified elsewhere, unsp site), M90.51 (Osteonecrosis in diseases classified elsewhere, shoulder), M90.52 (Osteonecrosis in diseases classified elsewhere, upper arm), M90.53 (Osteonecrosis in diseases classified elsewhere, forearm), and 6 more.

What are the UMLS CUIs for M90.5?

M90.5 is linked to 1 UMLS Concept Unique Identifier: C2902422. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

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.