ICD-10-CM · Shoulder

M92.32

Juvenile osteochondrosis affecting the left upper limb that does not fall under a more specifically named subtype (e.g., Panner disease of the elbow is excluded elsewhere); used when the provider documents osteochondrosis of the left arm, elbow region, or related upper-limb structure in a skeletally immature patient.

Verified May 8, 2026 · 6 sources ↓

Status
Billable
Chapter
13
Related CPT
10
Region
Shoulder
Drawn from CDCICD10DataAAPCNIHFindacode

Documentation tips

What should appear in the chart to support M92.32.

Source · Editorial brief grounded in 6 cited references ↓

  • Confirm laterality is explicitly documented as 'left' — M92.32 is invalid without it; unspecified defaults to M92.39.
  • Record the specific upper-limb segment involved (elbow, forearm, distal humerus, proximal radius/ulna) to support medical necessity and to verify no more granular M92 subcode applies.
  • Document the patient's skeletal maturity status (chronological age, open physes on imaging) to justify the 'juvenile' classification — adult osteochondrosis codes differ.
  • Note imaging modality and findings: plain film showing epiphyseal irregularity, sclerosis, or fragmentation; or MRI evidence of avascular change, signal abnormality in subchondral bone.
  • Record conservative care history (activity restriction, splinting, PT duration) if surgical intervention or advanced imaging is being authorized — payers often require failed conservative treatment documentation.

Related CPT procedures

Procedure codes commonly billed with M92.32. Linking the right diagnosis to the right procedure is what establishes medical necessity.

Source · CMS LCDs · AAOS specialty guidance · claims-pattern analysis

Common coding pitfalls

The recurring mistakes coders make with M92.32 and adjacent codes.

Source · Editorial brief grounded in CDC ICD-10-CM tabular guidance, AAOS coding references, and cited references ↓

  • Billing M92.3 (non-billable parent) instead of the laterality-specific child code M92.32 — claims will reject; always code to the 6th character.
  • Using M92.32 when a named juvenile osteochondrosis code exists for the same anatomy — for example, Panner disease of the elbow has its own classification and should not be coded here if that diagnosis is documented.
  • Defaulting to M92.32 when the pathology is actually in the hand — M92.22x (juvenile osteochondrosis of the hand) is more specific and should be used instead.
  • Failing to distinguish left (M92.32) from right (M92.31) when operative reports or imaging clearly document laterality — unspecified coding (M92.39) on a surgical claim invites audit scrutiny.
  • Applying M92.32 to an adult patient — osteochondrosis in a skeletally mature patient maps to different M-code categories; verify open physes or patient age supports 'juvenile' classification.

Clinical context

Source · Editorial summary grounded in 6 cited references ↓

M92.32 captures osteochondrosis of the left upper limb in children and adolescents when the condition does not map to a named, more precisely classified juvenile osteochondrosis code. It belongs to the M92.3x family — Other juvenile osteochondrosis, upper limb — with M92.31 (right), M92.32 (left), and M92.39 (unspecified). The parent M92.3 is non-billable; you must code to the 6th-character level.

Clinically, this code covers avascular necrosis or fragmentation of an upper-limb epiphysis in a growing patient when a named entity (such as Legg-Calvé-Perthes or Kienböck disease, which have their own codes) does not apply. Common presentations include activity-related elbow or forearm pain with radiographic evidence of epiphyseal irregularity, sclerosis, or fragmentation on plain films or MRI. Conservative management — activity restriction, splinting, physical therapy — is the first-line approach; surgical intervention is reserved for advanced cases or persistent mechanical symptoms.

When the affected joint can be specified more precisely (e.g., M92.22x for juvenile osteochondrosis of the hand), use that more granular code instead. M92.32 is appropriate when the pathology is confirmed in the left upper limb but does not qualify for a named-condition code or a more anatomically specific M92 subtype.

Sibling codes

Other billable codes under M92.3 (laterality / anatomic variants).

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 6 cited references ↓

01Is M92.3 billable, or do I need to go deeper?
M92.3 is non-billable. You must use a 6th-character code: M92.31 (right), M92.32 (left), or M92.39 (unspecified). Claims submitted with M92.3 will reject.
02When should I use M92.32 versus a named juvenile osteochondrosis code?
Use M92.32 only when no named-condition code applies to the left upper limb. If the provider documents Panner disease, Kienböck disease, or another condition with its own ICD-10-CM code, assign that specific code instead of M92.32.
03Does M92.32 require a 7th character?
No. M-codes in the osteochondrosis family do not use 7th-character extensions. The 7th-character A/D/S convention applies to injury (S-code) encounters, not to M92.32.
04What imaging documentation best supports M92.32?
Plain radiographs showing epiphyseal irregularity, sclerosis, or fragmentation in the left upper limb support this code. MRI findings of subchondral signal abnormality or avascular change further strengthen medical necessity, especially for surgical or advanced imaging authorization.
05Can M92.32 be used for an adult patient with upper-limb osteochondrosis?
No. The 'juvenile' classification requires skeletal immaturity. An adult presentation maps to different M-code categories. Document patient age and, ideally, open physes on imaging to support M92.32.
06What DRGs does M92.32 group into?
M92.32 groups into MS-DRG 553 (Bone Diseases and Arthropathies with MCC) and MS-DRG 554 (Bone Diseases and Arthropathies without MCC) under MS-DRG v43.0.
07If osteochondrosis affects both upper limbs, how do I code it?
Assign both M92.31 (right) and M92.32 (left) as separate diagnosis codes. The approximate synonym 'Juvenile osteochondrosis of bilateral arms' is referenced in the tabular, but there is no single bilateral code — list each laterality separately.

Mira AI Scribe

The Mira AI Scribe captures laterality ('left'), the specific upper-limb segment (elbow, proximal radius, distal humerus, etc.), patient age and skeletal maturity status, and imaging findings (epiphyseal irregularity, sclerosis, fragmentation on X-ray or MRI signal change). This prevents fallback to the non-billable M92.3 parent code, blocks misassignment to a named juvenile osteochondrosis code, and gives payers the specificity required for medical necessity on imaging and surgical authorizations.

See how Mira captures M92.32 documentation

Related ICD-10 codes

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