M42.1 – Adult osteochondrosis of spine
ICD-10-CM 2027 diagnosis code · Deforming dorsopathies
ICD-10-CM code
M42.1
- Code
M42.1(claims format:M421)- Description
- Adult osteochondrosis of spine
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M40-M43 Deforming dorsopathies
- Parent codes
- M42
Billable codes under M42.1
M42.1 is a header code and cannot be used on claims. Choose the most specific code:
- M42.10 – Adult osteochondrosis of spine, site unspecifiedBillable
- M42.11 – Adult osteochondrosis of spine, occipito-atlanto-axial regionBillable
- M42.12 – Adult osteochondrosis of spine, cervical regionBillable
- M42.13 – Adult osteochondrosis of spine, cervicothoracic regionBillable
- M42.14 – Adult osteochondrosis of spine, thoracic regionBillable
- M42.15 – Adult osteochondrosis of spine, thoracolumbar regionBillable
- M42.16 – Adult osteochondrosis of spine, lumbar regionBillable
- M42.17 – Adult osteochondrosis of spine, lumbosacral regionBillable
- M42.18 – Adult osteochondrosis of spine, sacral and sacrococcygeal regionBillable
- M42.19 – Adult osteochondrosis of spine, multiple sites in spineBillable
Related codes in M42
Frequently asked questions
What is ICD-10 code M42.1?
M42.1 is the ICD-10-CM code for adult osteochondrosis of spine, in the block M40-M43 (Deforming dorsopathies).
Is M42.1 a billable code?
No. M42.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M42.1 belong to?
It belongs to category M42 – Spinal osteochondrosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.