2026 ICD-10-CM Diagnosis Code S98.922APartial traumatic amputation of left foot, level unspecified, initial encounter
ICD-10-CM Codes›S00–T88›S90-S99›S98
- Billable — Valid for Submission
- 7th Character A — Initial Encounter
- Chronic Condition
S98.922A is a billable ICD-10-CM diagnosis code for partial traumatic amputation of left foot, level unspecified, 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 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 913 through 914, 963 through 965. Coders also document this condition as traumatic amputation of left foot. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Amputation of a limb, initial encounter.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Traumatic amputation of left foot
- Traumatic partial amputation of foot
- Traumatic partial amputation of left foot
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Traumatic amputation of ankle and foot (S98). 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 2026, published by CMS and the National Center for Health Statistics.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Limb Loss
People can lose all or part of an arm or leg for many reasons. Common ones include:
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Convert S98.922A to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S98.922AOverview
Is S98.922A (Partial traumatic amputation of left foot, level unspecified) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report partial traumatic amputation of left foot, level unspecified, initial encounter on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character A in S98.922A mean?
The final character A marks the initial encounter: use it while the patient is receiving active treatment for partial traumatic amputation of left foot, level unspecified, such as an emergency visit or first evaluation.
What MS-DRG does S98.922A group to?
When partial traumatic amputation of left foot, level unspecified, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 913, 914, 963, 964, 965, with relative weights from 0.8855 to 2.7338 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of S98.922A?
Under the General Equivalence Mappings, partial traumatic amputation of left foot, level unspecified, initial encounter converts to ICD-9-CM 896.0 (amputation foot, unilat). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
