M65.27 is the authoritative medical code for Calcific tendinitis, ankle and foot. This classification is used in medical billing and clinical recording to specify the clinical criteria for calcific tendinitis, ankle and foot (ICD-10-CM M65.27), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Calcific tendinitis, ankle and foot is a non-billable ICD-10-CM category code M65.27. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): tendinitis as classified in M75-M77; calcified tendinitis of shoulder M75.3; chronic crepitant synovitis of hand and wrist M70.0-; current injury - see injury of ligament or tendon by body region; soft tissue disorders related to use, overuse and pressure M70.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M65.27 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.
- tendinitis as classified in M75-M77
- calcified tendinitis of shoulder M75.3
- chronic crepitant synovitis of hand and wrist M70.0-
- current injury - see injury of ligament or tendon by body region
- soft tissue disorders related to use, overuse and pressure M70.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can M65.27 be billed directly?
No. M65.27 (Calcific tendinitis, ankle and foot) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with M65.27?
Per Excludes1 instructions, M65.27 must not be reported with: tendinitis as classified in M75-M77; calcified tendinitis of shoulder (M75.3); chronic crepitant synovitis of hand and wrist (M70.0-); current injury - see injury of ligament or tendon by body region.
Codes in This Family (3)
Official ICD-10-CM classifications in the same code family as M65.27, with their registry titles.
- M65.271 — Calcific tendinitis, right ankle and foot
- M65.272 — Calcific tendinitis, left ankle and foot
- M65.279 — Calcific tendinitis, unspecified ankle and foot
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:
ICD Code M60.27
Foreign body granuloma of soft tissue, not elsewhere classified, ankle and foot
ICD Code M61.27
Paralytic calcification and ossification of muscle, ankle and foot
ICD Code M67.27
Synovial hypertrophy, not elsewhere classified, ankle and foot