2027 ICD-10-CM Diagnosis Code M25.062Hemarthrosis, left knee
ICD-10-CM Codes›M00–M99›M20-M25›M25
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
M25.062 is a billable ICD-10-CM diagnosis code for hemarthrosis, left knee. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 553 through 554. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 14 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral hemarthrosis of knee joints
- Bilateral synovitis of joint of knees
- Chronic synovitis of bilateral knee joints due to hemarthrosis
- Chronic synovitis of knee due to hemarthrosis
- Chronic synovitis of left knee due to hemarthrosis
- Chronic synovitis of right knee due to hemarthrosis
- Hemarthrosis of knee
- Hemarthrosis of left knee
- Hemarthrosis of right knee
- Synovitis of joint of left knee
- Synovitis of joint of right knee
- Target joint of left knee
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M25.062: its own notes plus those printed at M25.0, M25, block M00-M25, block M20-M25, 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.
- Disorders affecting predominantly peripheral (limb) joints
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
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.
- 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.
- 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.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Hemarthrosis
bleeding into the joints. it may arise from trauma or spontaneously in patients with hemophilia.
Patient EducationClinical
Knee Injuries and Disorders
Your knee joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the knee joint move. When any of these structures is hurt or diseased, you have knee problems. Knee problems can cause pain and difficulty walking.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M25.062 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M25.062Overview
What is the ICD-10 code for hemarthrosis, left knee?
The ICD-10-CM code for hemarthrosis, left knee is M25.062 (sometimes written as M25062). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M25.062 (Hemarthrosis, knee) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report hemarthrosis, left knee on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M25.062 group to?
When hemarthrosis, left knee is the principal diagnosis on an inpatient stay, it groups to MS-DRG 554, 553, with relative weights from 0.8328 to 1.2492 depending on complications. Higher weights mean higher Medicare reimbursement.
Is M25.062 a CC or MCC?
CMS lists M25.062 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 14 closely related codes in its exclusion list.
Can M25.062 be reported with M36.2?
Not as a rule. The Excludes1 note at M25.0, which applies to M25.062, lists "hemophilic arthropathy (M36.2)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
