MS-DRG · FY 2026 v43.0
MS-DRG 257 – Upper Limb and Toe Amputation for Circulatory System Disorders without CC/MCC Home › MS-DRG List › MDC 05: Diseases & Disorders of the Circulatory System › DRG 257A Surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Inpatient cases group to DRG 257 when one of the 116 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 1.0922 with a geometric mean length of stay of 3.1 days.
Surgical DRG – assigned by operating-room procedure ✓ Official CMS v43.0 dataset
3.1
Geometric Mean LOS (days)
3.8
Arithmetic Mean LOS (days)
Severity family How a case is assigned to DRG 257 The grouper first assigns the case to MDC 05 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG), then applies the severity split from secondary diagnoses: with MCC → 255 ; with CC → 256 ; without CC/MCC → 257 .
ICD-10-PCS
Procedure Codes 116 codes · 32 categories Expand all 116 of 116 shown
0X60 Anatomical Regions, Upper Extremities, Detachment1 code 0X600ZZ Detachment at Right Forequarter, Open Approach 0X61 Anatomical Regions, Upper Extremities, Detachment1 code 0X610ZZ Detachment at Left Forequarter, Open Approach 0X62 Anatomical Regions, Upper Extremities, Detachment1 code 0X620ZZ Detachment at Right Shoulder Region, Open Approach 0X63 Anatomical Regions, Upper Extremities, Detachment1 code 0X630ZZ Detachment at Left Shoulder Region, Open Approach 0X68 Anatomical Regions, Upper Extremities, Detachment3 codes 0X680Z1 Detachment at Right Upper Arm, High, Open Approach 0X680Z2 Detachment at Right Upper Arm, Mid, Open Approach 0X680Z3 Detachment at Right Upper Arm, Low, Open Approach 0X69 Anatomical Regions, Upper Extremities, Detachment3 codes 0X690Z1 Detachment at Left Upper Arm, High, Open Approach 0X690Z2 Detachment at Left Upper Arm, Mid, Open Approach 0X690Z3 Detachment at Left Upper Arm, Low, Open Approach 0X6B Anatomical Regions, Upper Extremities, Detachment1 code 0X6B0ZZ Detachment at Right Elbow Region, Open Approach 0X6C Anatomical Regions, Upper Extremities, Detachment1 code 0X6C0ZZ Detachment at Left Elbow Region, Open Approach 0X6D Anatomical Regions, Upper Extremities, Detachment3 codes 0X6D0Z1 Detachment at Right Lower Arm, High, Open Approach 0X6D0Z2 Detachment at Right Lower Arm, Mid, Open Approach 0X6D0Z3 Detachment at Right Lower Arm, Low, Open Approach 0X6F Anatomical Regions, Upper Extremities, Detachment3 codes 0X6F0Z1 Detachment at Left Lower Arm, High, Open Approach 0X6F0Z2 Detachment at Left Lower Arm, Mid, Open Approach 0X6F0Z3 Detachment at Left Lower Arm, Low, Open Approach 0X6J Anatomical Regions, Upper Extremities, Detachment11 codes 0X6J0Z0 Detachment at Right Hand, Complete, Open Approach 0X6J0Z4 Detachment at Right Hand, Complete 1st Ray, Open Approach 0X6J0Z5 Detachment at Right Hand, Complete 2nd Ray, Open Approach 0X6J0Z6 Detachment at Right Hand, Complete 3rd Ray, Open Approach 0X6J0Z7 Detachment at Right Hand, Complete 4th Ray, Open Approach 0X6J0Z8 Detachment at Right Hand, Complete 5th Ray, Open Approach 0X6J0Z9 Detachment at Right Hand, Partial 1st Ray, Open Approach 0X6J0ZB Detachment at Right Hand, Partial 2nd Ray, Open Approach 0X6J0ZC Detachment at Right Hand, Partial 3rd Ray, Open Approach 0X6J0ZD Detachment at Right Hand, Partial 4th Ray, Open Approach 0X6J0ZF Detachment at Right Hand, Partial 5th Ray, Open Approach 0X6K Anatomical Regions, Upper Extremities, Detachment11 codes 0X6K0Z0 Detachment at Left Hand, Complete, Open Approach 0X6K0Z4 Detachment at Left Hand, Complete 1st Ray, Open Approach 0X6K0Z5 Detachment at Left Hand, Complete 2nd Ray, Open Approach 0X6K0Z6 Detachment at Left Hand, Complete 3rd Ray, Open Approach 0X6K0Z7 Detachment at Left Hand, Complete 4th Ray, Open Approach 0X6K0Z8 Detachment at Left Hand, Complete 5th Ray, Open Approach 0X6K0Z9 Detachment at Left Hand, Partial 1st Ray, Open Approach 0X6K0ZB Detachment at Left Hand, Partial 2nd Ray, Open Approach 0X6K0ZC Detachment at Left Hand, Partial 3rd Ray, Open Approach 0X6K0ZD Detachment at Left Hand, Partial 4th Ray, Open Approach 0X6K0ZF Detachment at Left Hand, Partial 5th Ray, Open Approach 0X6L Anatomical Regions, Upper Extremities, Detachment3 codes 0X6L0Z0 Detachment at Right Thumb, Complete, Open Approach 0X6L0Z1 Detachment at Right Thumb, High, Open Approach 0X6L0Z3 Detachment at Right Thumb, Low, Open Approach 0X6M Anatomical Regions, Upper Extremities, Detachment3 codes 0X6M0Z0 Detachment at Left Thumb, Complete, Open Approach 0X6M0Z1 Detachment at Left Thumb, High, Open Approach 0X6M0Z3 Detachment at Left Thumb, Low, Open Approach 0X6N Anatomical Regions, Upper Extremities, Detachment4 codes 0X6N0Z0 Detachment at Right Index Finger, Complete, Open Approach 0X6N0Z1 Detachment at Right Index Finger, High, Open Approach 0X6N0Z2 Detachment at Right Index Finger, Mid, Open Approach 0X6N0Z3 Detachment at Right Index Finger, Low, Open Approach 0X6P Anatomical Regions, Upper Extremities, Detachment4 codes 0X6P0Z0 Detachment at Left Index Finger, Complete, Open Approach 0X6P0Z1 Detachment at Left Index Finger, High, Open Approach 0X6P0Z2 Detachment at Left Index Finger, Mid, Open Approach 0X6P0Z3 Detachment at Left Index Finger, Low, Open Approach 0X6Q Anatomical Regions, Upper Extremities, Detachment4 codes 0X6Q0Z0 Detachment at Right Middle Finger, Complete, Open Approach 0X6Q0Z1 Detachment at Right Middle Finger, High, Open Approach 0X6Q0Z2 Detachment at Right Middle Finger, Mid, Open Approach 0X6Q0Z3 Detachment at Right Middle Finger, Low, Open Approach 0X6R Anatomical Regions, Upper Extremities, Detachment4 codes 0X6R0Z0 Detachment at Left Middle Finger, Complete, Open Approach 0X6R0Z1 Detachment at Left Middle Finger, High, Open Approach 0X6R0Z2 Detachment at Left Middle Finger, Mid, Open Approach 0X6R0Z3 Detachment at Left Middle Finger, Low, Open Approach 0X6S Anatomical Regions, Upper Extremities, Detachment4 codes 0X6S0Z0 Detachment at Right Ring Finger, Complete, Open Approach 0X6S0Z1 Detachment at Right Ring Finger, High, Open Approach 0X6S0Z2 Detachment at Right Ring Finger, Mid, Open Approach 0X6S0Z3 Detachment at Right Ring Finger, Low, Open Approach 0X6T Anatomical Regions, Upper Extremities, Detachment4 codes 0X6T0Z0 Detachment at Left Ring Finger, Complete, Open Approach 0X6T0Z1 Detachment at Left Ring Finger, High, Open Approach 0X6T0Z2 Detachment at Left Ring Finger, Mid, Open Approach 0X6T0Z3 Detachment at Left Ring Finger, Low, Open Approach 0X6V Anatomical Regions, Upper Extremities, Detachment4 codes 0X6V0Z0 Detachment at Right Little Finger, Complete, Open Approach 0X6V0Z1 Detachment at Right Little Finger, High, Open Approach 0X6V0Z2 Detachment at Right Little Finger, Mid, Open Approach 0X6V0Z3 Detachment at Right Little Finger, Low, Open Approach 0X6W Anatomical Regions, Upper Extremities, Detachment4 codes 0X6W0Z0 Detachment at Left Little Finger, Complete, Open Approach 0X6W0Z1 Detachment at Left Little Finger, High, Open Approach 0X6W0Z2 Detachment at Left Little Finger, Mid, Open Approach 0X6W0Z3 Detachment at Left Little Finger, Low, Open Approach 0Y6P Anatomical Regions, Lower Extremities, Detachment3 codes 0Y6P0Z0 Detachment at Right 1st Toe, Complete, Open Approach 0Y6P0Z1 Detachment at Right 1st Toe, High, Open Approach 0Y6P0Z3 Detachment at Right 1st Toe, Low, Open Approach 0Y6Q Anatomical Regions, Lower Extremities, Detachment3 codes 0Y6Q0Z0 Detachment at Left 1st Toe, Complete, Open Approach 0Y6Q0Z1 Detachment at Left 1st Toe, High, Open Approach 0Y6Q0Z3 Detachment at Left 1st Toe, Low, Open Approach 0Y6R Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6R0Z0 Detachment at Right 2nd Toe, Complete, Open Approach 0Y6R0Z1 Detachment at Right 2nd Toe, High, Open Approach 0Y6R0Z2 Detachment at Right 2nd Toe, Mid, Open Approach 0Y6R0Z3 Detachment at Right 2nd Toe, Low, Open Approach 0Y6S Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6S0Z0 Detachment at Left 2nd Toe, Complete, Open Approach 0Y6S0Z1 Detachment at Left 2nd Toe, High, Open Approach 0Y6S0Z2 Detachment at Left 2nd Toe, Mid, Open Approach 0Y6S0Z3 Detachment at Left 2nd Toe, Low, Open Approach 0Y6T Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6T0Z0 Detachment at Right 3rd Toe, Complete, Open Approach 0Y6T0Z1 Detachment at Right 3rd Toe, High, Open Approach 0Y6T0Z2 Detachment at Right 3rd Toe, Mid, Open Approach 0Y6T0Z3 Detachment at Right 3rd Toe, Low, Open Approach 0Y6U Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6U0Z0 Detachment at Left 3rd Toe, Complete, Open Approach 0Y6U0Z1 Detachment at Left 3rd Toe, High, Open Approach 0Y6U0Z2 Detachment at Left 3rd Toe, Mid, Open Approach 0Y6U0Z3 Detachment at Left 3rd Toe, Low, Open Approach 0Y6V Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6V0Z0 Detachment at Right 4th Toe, Complete, Open Approach 0Y6V0Z1 Detachment at Right 4th Toe, High, Open Approach 0Y6V0Z2 Detachment at Right 4th Toe, Mid, Open Approach 0Y6V0Z3 Detachment at Right 4th Toe, Low, Open Approach 0Y6W Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6W0Z0 Detachment at Left 4th Toe, Complete, Open Approach 0Y6W0Z1 Detachment at Left 4th Toe, High, Open Approach 0Y6W0Z2 Detachment at Left 4th Toe, Mid, Open Approach 0Y6W0Z3 Detachment at Left 4th Toe, Low, Open Approach 0Y6X Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6X0Z0 Detachment at Right 5th Toe, Complete, Open Approach 0Y6X0Z1 Detachment at Right 5th Toe, High, Open Approach 0Y6X0Z2 Detachment at Right 5th Toe, Mid, Open Approach 0Y6X0Z3 Detachment at Right 5th Toe, Low, Open Approach 0Y6Y Anatomical Regions, Lower Extremities, Detachment4 codes 0Y6Y0Z0 Detachment at Left 5th Toe, Complete, Open Approach 0Y6Y0Z1 Detachment at Left 5th Toe, High, Open Approach 0Y6Y0Z2 Detachment at Left 5th Toe, Mid, Open Approach 0Y6Y0Z3 Detachment at Left 5th Toe, Low, Open Approach ICD-10-CM
Qualifying Diagnosis Codes Diagnosis codes do not drive assignment for this DRG. Cases group here from the ICD-10-PCS procedure list below.
Frequently Asked Questions What is MS-DRG 257? MS-DRG 257 (Upper Limb and Toe Amputation for Circulatory System Disorders without CC/MCC) is a surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Its FY 2026 relative weight is 1.0922 with a geometric mean length of stay of 3.1 days.
What is the difference between DRG 255, 256, 257? All 3 share the same base category; the severity of secondary diagnoses separates them: 255 (with MCC), 256 (with CC), 257 (without CC/MCC). A major complication or comorbidity (MCC) places the case in the highest-weighted DRG of the family; a CC in the middle; neither in the lowest.
How many procedure codes group to DRG 257? 116 ICD-10-PCS operating-room procedure codes group to this DRG.
What is the relative weight of DRG 257? The FY 2026 relative weight of this DRG is 1.0922, meaning reimbursement of roughly 1.09 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.
