ICD-10-CM 2027 diagnosis code
M93.031Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
M93.031 is a valid, billable ICD-10-CM code for acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Acute on chr slipped upper femoral epiphy, stable, r hip
Code last changed in FY2023 (effective October 1, 2022). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About M93.031
M93.031 is the ICD-10-CM diagnosis code for acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip. It belongs to category M93 (other osteochondropathies), block M91-M94 (Chondropathies) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
Within M93.03 (acute on chronic slipped upper femoral epiphysis, stable (nontraumatic)), M93.031 is specifically for acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip. Related codes cover left hip (M93.032), unspecified hip (M93.033) and bilateral hips (M93.034).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 553 (Bone Diseases and Arthropathies with MCC, relative weight 1.2494) and DRG 554 (Bone Diseases and Arthropathies without MCC, relative weight 0.8331), in MDC 08 (Diseases and Disorders of the Musculoskeletal System and Connective Tissue), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2023 (title revised).
Before ICD-10, this condition was coded in ICD-9-CM as 732.2 (nontraumatic slipped upper femoral epiphysis).
Notes that apply from higher levels
Instructions written at a parent level also apply to M93.031.
› From M93.0 Slipped upper femoral epiphysis (nontraumatic)
- code for associated chondrolysis (M94.3)
› From M93 Other osteochondropathies
- osteochondrosis of spine (M42.-)
Broader instructions also apply from M91-M94 Chondropathies and Chapter 13: Diseases of the musculoskeletal system and connective tissue.
MS-DRG v44.0 grouping
All DRGs →Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.
MDC 08 · Diseases and Disorders of the Musculoskeletal System and Connective Tissue
ICD-9-CM equivalent
Converter →- 732.2Nontraumatic slipped upper femoral epiphysisapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- FY2023 (effective 10/1/2022): Title revised — was “Acute on chronic slipped upper femoral epiphysis (nontraumatic), right hip”
Common questions about M93.031
Is M93.031 billable?
- Yes. M93.031 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can M93.031 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict M93.031 as a principal diagnosis.
Is M93.031 a CC or MCC?
- No. M93.031 is neither a CC nor an MCC under MS-DRG v44.0.
What DRG does M93.031 group to?
- M93.031 is used in the MS-DRG v44.0 logic for MS-DRG 553 (Bone Diseases and Arthropathies with MCC) and MS-DRG 554 (Bone Diseases and Arthropathies without MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.
What is the ICD-9 code for M93.031?
- The CMS General Equivalence Mappings map M93.031 to ICD-9-CM 732.2.