2027 ICD-10-CM Diagnosis Code M16Osteoarthritis of hip

ICD-10-CM Codes›M00–M99›M15-M19›M16

ICD-10-CM M16
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M16 is a non-billable ICD-10-CM category code for osteoarthritis of hip, so it cannot be submitted on claims. Use a more specific code from this category instead, such as M16.0, M16.10, M16.11, and M16.12.

Code Identity

ICD-10-CM Code
M16
Billable Status
No — Non-Billable Category
Code Describes
Osteoarthritis of hip
Short Description
Osteoarthritis of hip
Same as the full description in the CMS dataset.
Chapter
M15-M19
Osteoarthritis

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM15-M19Osteoarthritis
CategoryM16Osteoarthritis of hip
This CodeM16Osteoarthritis of hip

Specific Coding for Osteoarthritis of hipOverview

Non-specific codes like M16 require more characters. Use one of these billable codes instead:

  • Use M16.0 for Bilateral primary osteoarthritis of hip

  • M16.1 for Unilateral primary osteoarthritis of hip

  • Use M16.10 for Unilateral primary osteoarthritis, unspecified hip

  • Use M16.11 for Unilateral primary osteoarthritis, right hip

  • Use M16.12 for Unilateral primary osteoarthritis, left hip

  • Use M16.2 for Bilateral osteoarthritis resulting from hip dysplasia

  • M16.3 for Unilateral osteoarthritis resulting from hip dysplasia

  • Use M16.30 for Unilateral osteoarthritis resulting from hip dysplasia, unspecified hip

  • Use M16.31 for Unilateral osteoarthritis resulting from hip dysplasia, right hip

  • Use M16.32 for Unilateral osteoarthritis resulting from hip dysplasia, left hip

  • Use M16.4 for Bilateral post-traumatic osteoarthritis of hip

  • M16.5 for Unilateral post-traumatic osteoarthritis of hip

  • Use M16.50 for Unilateral post-traumatic osteoarthritis, unspecified hip

  • Use M16.51 for Unilateral post-traumatic osteoarthritis, right hip

  • Use M16.52 for Unilateral post-traumatic osteoarthritis, left hip

  • Use M16.6 for Other bilateral secondary osteoarthritis of hip

  • Use M16.7 for Other unilateral secondary osteoarthritis of hip

  • Use M16.9 for Osteoarthritis of hip, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M16: its own notes plus those printed at block M00-M25, block M15-M19, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Block M00-M25 applies to 2,249 codes
  • Disorders affecting predominantly peripheral (limb) joints

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block M15-M19 Osteoarthritis applies to 98 codes
  • osteoarthritis of spine (M47.-)
From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • 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)

Notes

General instructions on how these codes are used.

From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name M16, its category, or a range that includes it.

Excludes1 5

These codes carry an Excludes1 note naming M16: they are not reported together with it, unless the two conditions are unrelated.

  • M15 Polyosteoarthritis
    bilateral involvement of single joint (M16-M19)
  • M12 Other and unspecified arthropathy
    arthrosis (M15-M19) names M15-M19, which includes this code
  • M13 Other arthritis
    arthrosis (M15-M19) names M15-M19, which includes this code
  • M13 Other arthritis
    osteoarthritis (M15-M19) names M15-M19, which includes this code
  • M13.8 Other specified arthritis
    osteoarthritis (M15-M19) names M15-M19, which includes this code

Clinical InformationClinical

  • Osteoarthritis, Hip

    noninflammatory degenerative disease of the hip joint which usually appears in late middle or old age. it is characterized by growth or maturational disturbances in the femoral neck and head, as well as acetabular dysplasia. a dominant symptom is pain on weight-bearing or motion.

Patient EducationClinical

Osteoarthritis

Osteoarthritis, sometimes called OA, is a type of arthritis that only affects the joints, usually in the hands, knees, hips, neck, and lower back. It's the most common type of arthritis.

The full article covers:

  • What is osteoarthritis?
  • What are the symptoms of osteoarthritis?
  • What causes osteoarthritis?
  • Who is more likely to develop osteoarthritis?
  • How is osteoarthritis diagnosed?
  • What are the treatments for osteoarthritis?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About M16Overview

What is the ICD-10 code for osteoarthritis of hip?

M16 is the ICD-10-CM category for osteoarthritis of hip, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is M16 (Osteoarthritis of hip) a billable code?

No. This is a category header that groups the codes for osteoarthritis of hip, and headers cannot be submitted on claims. Claims for osteoarthritis of hip need a more specific code from this category, such as M16.0, M16.10, and M16.11.