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ICD-10-CM 2027

ICD-10 code for Calcific tendinitis

M65.2

Calcific tendinitis

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Tendinitis, tendonitis › calcific”. Page updated September 29, 2026.

About coding Calcific tendinitis

The ICD-10-CM code for Calcific tendinitis is M65.2 (Calcific tendinitis). The official index lists 11 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on M65.2.

Within M65 (synovitis and tenosynovitis), M65.2 is specifically for Calcific tendinitis. Related codes cover abscess of tendon sheath (M65.0), other infective (teno)synovitis (M65.1), Trigger finger (M65.3), radial styloid tenosynovitis [de Quervain] (M65.4), other synovitis and tenosynovitis (M65.8) and unspecified (M65.9).

To report this condition, pick the subcode that matches the documentation: M65.20 (unspecified site), M65.22 (upper arm), M65.23 (forearm), M65.24 (hand), M65.25 (thigh), M65.26 (lower leg), M65.27 (ankle and foot), M65.28 (other site) and 1 more.

Don't report M65.2 together with the conditions in its Excludes1 note: tendinitis as classified in M75-M77 and calcified tendinitis of shoulder (M75.3).

More specific Calcific tendinitis codes (official index)

  • ankle M65.27 — Calcific tendinitis, ankle and foot
  • foot M65.27 — Calcific tendinitis, ankle and foot
  • forearm M65.23 — Calcific tendinitis, forearm
  • hand M65.24 — Calcific tendinitis, hand
  • lower leg M65.26 — Calcific tendinitis, lower leg
  • multiple sites M65.29 — Calcific tendinitis, multiple sites
  • pelvic region M65.25 — Calcific tendinitis, thigh
  • shoulder M75.3 — Calcific tendinitis of shoulder
  • specified site NEC M65.28 — Calcific tendinitis, other site
  • thigh M65.25 — Calcific tendinitis, thigh
  • upper arm M65.22 — Calcific tendinitis, upper arm

Don't confuse with (Excludes1 for M65.2)

  • tendinitis as classified in M75-M77
  • calcified tendinitis of shoulder (M75.3)

Common questions about Calcific tendinitis ICD-10 codes

What is the ICD-10 code for Calcific tendinitis?

M65.2 — Calcific tendinitis (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: M65.27, M65.27, M65.23, M65.24 and others below.

What is the ICD-10 code for ankle calcific tendinitis?

M65.27 — Calcific tendinitis, ankle and foot (header code; choose a more specific subcode).

What is the ICD-10 code for foot calcific tendinitis?

M65.27 — Calcific tendinitis, ankle and foot (header code; choose a more specific subcode).

What is the ICD-10 code for forearm calcific tendinitis?

M65.23 — Calcific tendinitis, forearm (header code; choose a more specific subcode).

What is the ICD-10 code for hand calcific tendinitis?

M65.24 — Calcific tendinitis, hand (header code; choose a more specific subcode).

What is the ICD-10 code for lower leg calcific tendinitis?

M65.26 — Calcific tendinitis, lower leg (header code; choose a more specific subcode).

What is the ICD-10 code for multiple sites calcific tendinitis?

M65.29 — Calcific tendinitis, multiple sites.

Is M65.2 billable?

No. M65.2 is a header code. Report one of its more specific subcodes instead.