ICD-10-CM 2027 diagnosis code

M90.8Osteopathy in diseases classified elsewhere

Not billable — use a more specific code

M90.8 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About M90.8

M90.8 is the ICD-10-CM diagnosis code for osteopathy in diseases classified elsewhere. It belongs to category M90 (Osteopathies in diseases classified elsewhere), block M86-M90 (other osteopathies) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.

Within M90 (Osteopathies in diseases classified elsewhere), M90.8 is specifically for osteopathy in diseases classified elsewhere. Related codes cover osteonecrosis in diseases classified elsewhere (M90.5) and Osteitis deformans in neoplastic diseases (M90.6).

To report this condition, pick the subcode that matches the documentation: M90.80 (unspecified site), M90.81 (shoulder), M90.82 (upper arm), M90.83 (forearm), M90.84 (hand), M90.85 (thigh), M90.86 (lower leg), M90.87 (ankle and foot) and 2 more.

Code first underlying disease, such as: rickets (E55.0) and vitamin-D-resistant rickets (E83.31).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under M90.8

Coding notes

Code firstSequence the underlying condition first

underlying disease, such as:
rickets (E55.0)
vitamin-D-resistant rickets (E83.31)

Notes that apply from higher levels

Instructions written at a parent level also apply to M90.8.

› From M90 Osteopathies in diseases classified elsewhere

Excludes1

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)

Broader instructions also apply from M86-M90 Other osteopathies and Chapter 13: Diseases of the musculoskeletal system and connective tissue.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about M90.8

Is M90.8 billable?: No. M90.8 is a header code. Report one of its more specific subcodes instead.