ICD-10/M70.51

M70.51 ICD 2026 Code: Other bursitis of knee, right knee

M70.51 is the authoritative medical code for Other bursitis of knee, right knee. This classification is used in medical billing and clinical recording to specify the clinical criteria for other bursitis of knee, right knee (ICD-10-CM M70.51), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Other bursitis of knee, right knee is a billable ICD-10-CM diagnosis code M70.51. Includes: soft tissue disorders of occupational origin. Excludes1 (not coded here): bursitis NOS M71.9-. Excludes2 (not included here): bursitis of shoulder M75.5; enthesopathies M76-M77; pressure ulcer (pressure area) L89.-. Use additional code: external cause code to identify activity causing disorder Y93.-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M70.51 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • soft tissue disorders of occupational origin

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • bursitis NOS M71.9-

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • bursitis of shoulder M75.5
  • enthesopathies M76-M77
  • pressure ulcer (pressure area) L89.-

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • external cause code to identify activity causing disorder Y93.-

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with M70.51?

Per Excludes1 instructions, M70.51 must not be reported with: bursitis NOS (M71.9-).

Can M70.51 be reported alongside related conditions?

Per Excludes2 instructions, M70.51 and the following may both be reported when both are present: bursitis of shoulder (M75.5); enthesopathies (M76-M77); pressure ulcer (pressure area) (L89.-).

Is an additional code needed with M70.51?

Use additional code(s) to specify: external cause code to identify activity causing disorder (Y93.-).

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as M70.51, with their registry titles.

  • M70 — Soft tissue disorders related to use, overuse and pressure
  • M70.0 — Crepitant synovitis (acute) (chronic) of hand and wrist
  • M70.03 — Crepitant synovitis (acute) (chronic), wrist
  • M70.031 — Crepitant synovitis (acute) (chronic), right wrist
  • M70.032 — Crepitant synovitis (acute) (chronic), left wrist
  • M70.039 — Crepitant synovitis (acute) (chronic), unspecified wrist
  • M70.04 — Crepitant synovitis (acute) (chronic), hand
  • M70.041 — Crepitant synovitis (acute) (chronic), right hand
  • M70.042 — Crepitant synovitis (acute) (chronic), left hand
  • M70.049 — Crepitant synovitis (acute) (chronic), unspecified hand
  • M70.1 — Bursitis of hand
  • M70.10 — Bursitis, unspecified hand
  • M70.11 — Bursitis, right hand
  • M70.12 — Bursitis, left hand
  • M70.2 — Olecranon bursitis
  • M70.20 — Olecranon bursitis, unspecified elbow
  • M70.21 — Olecranon bursitis, right elbow
  • M70.22 — Olecranon bursitis, left elbow
  • M70.3 — Other bursitis of elbow
  • M70.30 — Other bursitis of elbow, unspecified elbow
  • M70.31 — Other bursitis of elbow, right elbow
  • M70.32 — Other bursitis of elbow, left elbow
  • M70.4 — Prepatellar bursitis
  • M70.40 — Prepatellar bursitis, unspecified knee
  • M70.41 — Prepatellar bursitis, right knee
  • M70.42 — Prepatellar bursitis, left knee
  • M70.5 — Other bursitis of knee
  • M70.50 — Other bursitis of knee, unspecified knee
  • M70.52 — Other bursitis of knee, left knee
  • M70.6 — Trochanteric bursitis
  • M70.60 — Trochanteric bursitis, unspecified hip
  • M70.61 — Trochanteric bursitis, right hip
  • M70.62 — Trochanteric bursitis, left hip
  • M70.7 — Other bursitis of hip
  • M70.70 — Other bursitis of hip, unspecified hip
  • M70.71 — Other bursitis of hip, right hip
  • M70.72 — Other bursitis of hip, left hip
  • M70.8 — Other soft tissue disorders related to use, overuse and pressure
  • M70.80 — Other soft tissue disorders related to use, overuse and pressure of unspecified site
  • M70.81 — Other soft tissue disorders related to use, overuse and pressure of shoulder

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

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