2027 ICD-10-CM Diagnosis Code S59.801AOther specified injuries of right elbow, initial encounter
S59.801A is a billable ICD-10-CM diagnosis code for other specified injuries of right elbow, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 913 through 914, 963 through 965. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified injury.
Code Identity
Code Classification
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Other and unspecified injuries of elbow and forearm (S59). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to S59.801A: its own notes plus those printed at S59.8, S59, block S50-S59, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.
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.
- other and unspecified injuries of wrist and hand (S69.-)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify any retained foreign body, if applicable (Z18.-)
Notes
General instructions on how these codes are used.
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
7th Character
Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.
- The appropriate 7th character is to be added to each code in subcategory S59.8
- The appropriate 7th character is to be added to each code from subcategories S59.0, S59.1, and S59.2
- Ainitial encounter this code
- Dsubsequent encounter
- Ssequela
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Elbow Injuries and Disorders
Your elbow joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the elbow joint move. When any of these structures is hurt or diseased, you have elbow problems.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert S59.801A to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S59.801AOverview
What is the ICD-10 code for other specified injuries of right elbow, initial encounter?
The ICD-10-CM code for other specified injuries of right elbow, initial encounter is S59.801A (sometimes written as S59801A). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is S59.801A (Other specified injuries of right elbow) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified injuries of right elbow, initial encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What does the 7th character A in S59.801A mean?
The final character A marks the initial encounter: use it while the patient is receiving active treatment for other specified injuries of right elbow, such as an emergency visit or first evaluation.
What MS-DRG does S59.801A group to?
When other specified injuries of right elbow, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 964, 965, 914, 913, 963, with relative weights from 0.9281 to 2.6361 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of S59.801A?
Under the General Equivalence Mappings, other specified injuries of right elbow, initial encounter converts to ICD-9-CM 959.3 (elb/forearm/wrst inj NOS). The mapping is approximate, so confirm the match fits the documentation.
