2027 ICD-10-CM Diagnosis Code M25.042Hemarthrosis, left hand
ICD-10-CM Codes›M00–M99›M20-M25›M25
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
M25.042 is a billable ICD-10-CM diagnosis code for hemarthrosis, left hand. 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 11 closely related codes. Coders also document this condition as bilateral hemarthrosis of hands. 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 hands
- Hemarthrosis of hand
- Hemarthrosis of left hand
- Hemarthrosis of right hand
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M25.042: 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
Hand Injuries and Disorders
No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M25.042 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M25.042Overview
What is the ICD-10 code for hemarthrosis, left hand?
The ICD-10-CM code for hemarthrosis, left hand is M25.042 (sometimes written as M25042). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M25.042 (Hemarthrosis, hand) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report hemarthrosis, left hand on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M25.042 group to?
When hemarthrosis, left hand 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 M25.042 a CC or MCC?
CMS lists M25.042 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 11 closely related codes in its exclusion list.
Can M25.042 be reported with M36.2?
Not as a rule. The Excludes1 note at M25.0, which applies to M25.042, 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).
