M60.161 is the authoritative medical code for Interstitial myositis, right lower leg. This classification is used in medical billing and clinical recording to specify the clinical criteria for interstitial myositis, right lower leg (ICD-10-CM M60.161), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Interstitial myositis, right lower leg is a billable ICD-10-CM diagnosis code M60.161. Excludes1 (not coded here): dermatopolymyositis M33.-; myopathy in amyloidosis E85.-; myopathy in polyarteritis nodosa M30.0; myopathy in rheumatoid arthritis M05.32; myopathy in scleroderma M34.-; myopathy in Sjögren's syndrome M35.03; myopathy in systemic lupus erythematosus M32.-. Excludes2 (not included here): inclusion body myositis IBM; muscular dystrophies and myopathies G71-G72.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M60.161 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- dermatopolymyositis M33.-
- myopathy in amyloidosis E85.-
- myopathy in polyarteritis nodosa M30.0
- myopathy in rheumatoid arthritis M05.32
- myopathy in scleroderma M34.-
- myopathy in Sjögren's syndrome M35.03
- myopathy in systemic lupus erythematosus M32.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- inclusion body myositis IBM
- muscular dystrophies and myopathies G71-G72
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M60.161?
Per official ICD-10-CM Excludes1 instructions, M60.161 must not be reported together with: dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); myopathy in rheumatoid arthritis (M05.32).
Can M60.161 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, M60.161 and the following are not considered part of each other and may both be reported when both conditions are present: inclusion body myositis [IBM] (G72.41); muscular dystrophies and myopathies (G71-G72).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to M60.161 in its code family, with their registry titles.
- M60.046 — Infective myositis, unspecified finger(s)
- M60.05 — Infective myositis, thigh
- M60.051 — Infective myositis, right thigh
- M60.052 — Infective myositis, left thigh
- M60.059 — Infective myositis, unspecified thigh
- M60.06 — Infective myositis, lower leg
- M60.061 — Infective myositis, right lower leg
- M60.062 — Infective myositis, left lower leg
- M60.069 — Infective myositis, unspecified lower leg
- M60.07 — Infective myositis, ankle, foot and toes
View all 40 codes in the M60 family