M48.51 Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region

Non-billable ICD-10-CM code.

Applies from M48.5 Collapsed vertebra, not elsewhere classified

Applicable to

• Collapsed vertebra NOS
• Compression fracture of vertebra NOS
• Wedging of vertebra NOS

Excludes1 (never code together)

• current injury - see Injury of spine, by body region
• fatigue fracture of vertebra (M48.4)
• pathological fracture of vertebra due to neoplasm (M84.58)
• pathological fracture of vertebra due to other diagnosis (M84.68)
• pathological fracture of vertebra due to osteoporosis (M80.-)
• pathological fracture NOS (M84.4-)
• stress fracture of vertebra (M48.4-)
• traumatic fracture of vertebra (S12.-, S22.-, S32.-)

7th character note

• The appropriate 7th character is to be added to each code from subcategory M48.5:

7th character required

• A — initial encounter for fracture
• D — subsequent encounter for fracture with routine healing
• G — subsequent encounter for fracture with delayed healing
• S — sequela of fracture

Code annotations containing back-references to M48.51

Back-references to M48.5

• Type 1 Excludes: M80 Osteoporosis with current pathological fracture ("collapsed vertebra NOS (M48.5)")
• Type 1 Excludes: M80 Osteoporosis with current pathological fracture ("wedging of vertebra NOS (M48.5)")
• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("collapsed vertebra NEC (M48.5)")

Back-references to M48

• Type 1 Excludes: G55 Nerve root and plexus compressions in diseases classified elsewhere ("nerve root compression (due to) (in) spondylopathies (M46.-, M48.-)")

Diagnosis Index entries for M48.51

• Collapse › vertebra › in (due to) › specified disease NEC › occipito-atlanto-axial region
• Collapse › vertebra › occipito-atlanto-axial region

Nearby codes

• M48.50 Collapsed vertebra, not elsewhere classified, site unspecified
• M48.50XA Collapsed vertebra, not elsewhere classified, site unspecified, initial encounter for fracture
• M48.50XD Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with routine healing
• M48.50XG Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with delayed healing
• M48.50XS Collapsed vertebra, not elsewhere classified, site unspecified, sequela of fracture
• M48.51 Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region (this code)
• M48.51XA Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, initial encounter for fracture
• M48.51XD Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with routine healing
• M48.51XG Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with delayed healing
• M48.51XS Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, sequela of fracture
• M48.52 Collapsed vertebra, not elsewhere classified, cervical region