ICD-10-CM M61: Calcification and ossification of muscle

ICD-10-CM Diagnosis Code (2025)

Official Description for M61

Calcification and ossification of muscle

Coding Notes & Guidelines for M61

Excludes1: Not Coded Here
  • calcific tendinitis NOS (M65.2-)
  • calcific tendinitis of shoulder (M75.3)
Inclusion Terms

Fibrodysplasia ossificans progressiva

Inclusion Terms

Myositis ossificans associated with quadriplegia or paraplegia

Inclusion Terms

Myositis ossificans associated with burns

Child Codes (More Specific Codes for M61):

M61.0 - Myositis ossificans traumatica M61.00 - Myositis ossificans traumatica, unspecified site M61.01 - Myositis ossificans traumatica, shoulder M61.011 - Myositis ossificans traumatica, right shoulder M61.012 - Myositis ossificans traumatica, left shoulder M61.019 - Myositis ossificans traumatica, unspecified shoulder M61.02 - Myositis ossificans traumatica, upper arm M61.021 - Myositis ossificans traumatica, right upper arm M61.022 - Myositis ossificans traumatica, left upper arm M61.029 - Myositis ossificans traumatica, unspecified upper arm M61.03 - Myositis ossificans traumatica, forearm M61.031 - Myositis ossificans traumatica, right forearm M61.032 - Myositis ossificans traumatica, left forearm M61.039 - Myositis ossificans traumatica, unspecified forearm M61.04 - Myositis ossificans traumatica, hand M61.041 - Myositis ossificans traumatica, right hand M61.042 - Myositis ossificans traumatica, left hand M61.049 - Myositis ossificans traumatica, unspecified hand M61.05 - Myositis ossificans traumatica, thigh M61.051 - Myositis ossificans traumatica, right thigh M61.052 - Myositis ossificans traumatica, left thigh M61.059 - Myositis ossificans traumatica, unspecified thigh M61.06 - Myositis ossificans traumatica, lower leg M61.061 - Myositis ossificans traumatica, right lower leg M61.062 - Myositis ossificans traumatica, left lower leg M61.069 - Myositis ossificans traumatica, unspecified lower leg M61.07 - Myositis ossificans traumatica, ankle and foot M61.071 - Myositis ossificans traumatica, right ankle and foot M61.072 - Myositis ossificans traumatica, left ankle and foot M61.079 - Myositis ossificans traumatica, unspecified ankle and foot M61.08 - Myositis ossificans traumatica, other site M61.09 - Myositis ossificans traumatica, multiple sites M61.1 - Myositis ossificans progressiva M61.10 - Myositis ossificans progressiva, unspecified site M61.11 - Myositis ossificans progressiva, shoulder M61.111 - Myositis ossificans progressiva, right shoulder M61.112 - Myositis ossificans progressiva, left shoulder M61.119 - Myositis ossificans progressiva, unspecified shoulder M61.12 - Myositis ossificans progressiva, upper arm M61.121 - Myositis ossificans progressiva, right upper arm M61.122 - Myositis ossificans progressiva, left upper arm M61.129 - Myositis ossificans progressiva, unspecified arm M61.13 - Myositis ossificans progressiva, forearm M61.131 - Myositis ossificans progressiva, right forearm M61.132 - Myositis ossificans progressiva, left forearm M61.139 - Myositis ossificans progressiva, unspecified forearm M61.14 - Myositis ossificans progressiva, hand and finger(s) M61.141 - Myositis ossificans progressiva, right hand M61.142 - Myositis ossificans progressiva, left hand M61.143 - Myositis ossificans progressiva, unspecified hand M61.144 - Myositis ossificans progressiva, right finger(s) M61.145 - Myositis ossificans progressiva, left finger(s) M61.146 - Myositis ossificans progressiva, unspecified finger(s) M61.15 - Myositis ossificans progressiva, thigh M61.151 - Myositis ossificans progressiva, right thigh M61.152 - Myositis ossificans progressiva, left thigh M61.159 - Myositis ossificans progressiva, unspecified thigh M61.16 - Myositis ossificans progressiva, lower leg M61.161 - Myositis ossificans progressiva, right lower leg M61.162 - Myositis ossificans progressiva, left lower leg M61.169 - Myositis ossificans progressiva, unspecified lower leg M61.17 - Myositis ossificans progressiva, ankle, foot and toe(s) M61.171 - Myositis ossificans progressiva, right ankle M61.172 - Myositis ossificans progressiva, left ankle M61.173 - Myositis ossificans progressiva, unspecified ankle M61.174 - Myositis ossificans progressiva, right foot M61.175 - Myositis ossificans progressiva, left foot M61.176 - Myositis ossificans progressiva, unspecified foot M61.177 - Myositis ossificans progressiva, right toe(s) M61.178 - Myositis ossificans progressiva, left toe(s) M61.179 - Myositis ossificans progressiva, unspecified toe(s) M61.18 - Myositis ossificans progressiva, other site M61.19 - Myositis ossificans progressiva, multiple sites M61.2 - Paralytic calcification and ossification of muscle M61.20 - Paralytic calcification and ossification of muscle, unspecified site M61.21 - Paralytic calcification and ossification of muscle, shoulder M61.211 - Paralytic calcification and ossification of muscle, right shoulder M61.212 - Paralytic calcification and ossification of muscle, left shoulder M61.219 - Paralytic calcification and ossification of muscle, unspecified shoulder M61.22 - Paralytic calcification and ossification of muscle, upper arm M61.221 - Paralytic calcification and ossification of muscle, right upper arm M61.222 - Paralytic calcification and ossification of muscle, left upper arm M61.229 - Paralytic calcification and ossification of muscle, unspecified upper arm M61.23 - Paralytic calcification and ossification of muscle, forearm M61.231 - Paralytic calcification and ossification of muscle, right forearm M61.232 - Paralytic calcification and ossification of muscle, left forearm M61.239 - Paralytic calcification and ossification of muscle, unspecified forearm M61.24 - Paralytic calcification and ossification of muscle, hand M61.241 - Paralytic calcification and ossification of muscle, right hand M61.242 - Paralytic calcification and ossification of muscle, left hand M61.249 - Paralytic calcification and ossification of muscle, unspecified hand M61.25 - Paralytic calcification and ossification of muscle, thigh M61.251 - Paralytic calcification and ossification of muscle, right thigh M61.252 - Paralytic calcification and ossification of muscle, left thigh M61.259 - Paralytic calcification and ossification of muscle, unspecified thigh M61.26 - Paralytic calcification and ossification of muscle, lower leg M61.261 - Paralytic calcification and ossification of muscle, right lower leg M61.262 - Paralytic calcification and ossification of muscle, left lower leg M61.269 - Paralytic calcification and ossification of muscle, unspecified lower leg M61.27 - Paralytic calcification and ossification of muscle, ankle and foot M61.271 - Paralytic calcification and ossification of muscle, right ankle and foot M61.272 - Paralytic calcification and ossification of muscle, left ankle and foot M61.279 - Paralytic calcification and ossification of muscle, unspecified ankle and foot M61.28 - Paralytic calcification and ossification of muscle, other site M61.29 - Paralytic calcification and ossification of muscle, multiple sites M61.3 - Calcification and ossification of muscles associated with burns M61.30 - Calcification and ossification of muscles associated with burns, unspecified site M61.31 - Calcification and ossification of muscles associated with burns, shoulder M61.311 - Calcification and ossification of muscles associated with burns, right shoulder M61.312 - Calcification and ossification of muscles associated with burns, left shoulder M61.319 - Calcification and ossification of muscles associated with burns, unspecified shoulder M61.32 - Calcification and ossification of muscles associated with burns, upper arm M61.321 - Calcification and ossification of muscles associated with burns, right upper arm M61.322 - Calcification and ossification of muscles associated with burns, left upper arm M61.329 - Calcification and ossification of muscles associated with burns, unspecified upper arm M61.33 - Calcification and ossification of muscles associated with burns, forearm M61.331 - Calcification and ossification of muscles associated with burns, right forearm M61.332 - Calcification and ossification of muscles associated with burns, left forearm M61.339 - Calcification and ossification of muscles associated with burns, unspecified forearm M61.34 - Calcification and ossification of muscles associated with burns, hand M61.341 - Calcification and ossification of muscles associated with burns, right hand M61.342 - Calcification and ossification of muscles associated with burns, left hand M61.349 - Calcification and ossification of muscles associated with burns, unspecified hand M61.35 - Calcification and ossification of muscles associated with burns, thigh M61.351 - Calcification and ossification of muscles associated with burns, right thigh M61.352 - Calcification and ossification of muscles associated with burns, left thigh M61.359 - Calcification and ossification of muscles associated with burns, unspecified thigh M61.36 - Calcification and ossification of muscles associated with burns, lower leg M61.361 - Calcification and ossification of muscles associated with burns, right lower leg M61.362 - Calcification and ossification of muscles associated with burns, left lower leg M61.369 - Calcification and ossification of muscles associated with burns, unspecified lower leg M61.37 - Calcification and ossification of muscles associated with burns, ankle and foot M61.371 - Calcification and ossification of muscles associated with burns, right ankle and foot M61.372 - Calcification and ossification of muscles associated with burns, left ankle and foot M61.379 - Calcification and ossification of muscles associated with burns, unspecified ankle and foot M61.38 - Calcification and ossification of muscles associated with burns, other site M61.39 - Calcification and ossification of muscles associated with burns, multiple sites M61.4 - Other calcification of muscle M61.40 - Other calcification of muscle, unspecified site M61.41 - Other calcification of muscle, shoulder M61.411 - Other calcification of muscle, right shoulder M61.412 - Other calcification of muscle, left shoulder M61.419 - Other calcification of muscle, unspecified shoulder M61.42 - Other calcification of muscle, upper arm M61.421 - Other calcification of muscle, right upper arm M61.422 - Other calcification of muscle, left upper arm M61.429 - Other calcification of muscle, unspecified upper arm M61.43 - Other calcification of muscle, forearm M61.431 - Other calcification of muscle, right forearm M61.432 - Other calcification of muscle, left forearm M61.439 - Other calcification of muscle, unspecified forearm M61.44 - Other calcification of muscle, hand M61.441 - Other calcification of muscle, right hand M61.442 - Other calcification of muscle, left hand M61.449 - Other calcification of muscle, unspecified hand M61.45 - Other calcification of muscle, thigh M61.451 - Other calcification of muscle, right thigh M61.452 - Other calcification of muscle, left thigh M61.459 - Other calcification of muscle, unspecified thigh M61.46 - Other calcification of muscle, lower leg M61.461 - Other calcification of muscle, right lower leg M61.462 - Other calcification of muscle, left lower leg M61.469 - Other calcification of muscle, unspecified lower leg M61.47 - Other calcification of muscle, ankle and foot M61.471 - Other calcification of muscle, right ankle and foot M61.472 - Other calcification of muscle, left ankle and foot M61.479 - Other calcification of muscle, unspecified ankle and foot M61.48 - Other calcification of muscle, other site M61.49 - Other calcification of muscle, multiple sites M61.5 - Other ossification of muscle M61.50 - Other ossification of muscle, unspecified site M61.51 - Other ossification of muscle, shoulder M61.511 - Other ossification of muscle, right shoulder M61.512 - Other ossification of muscle, left shoulder M61.519 - Other ossification of muscle, unspecified shoulder M61.52 - Other ossification of muscle, upper arm M61.521 - Other ossification of muscle, right upper arm M61.522 - Other ossification of muscle, left upper arm M61.529 - Other ossification of muscle, unspecified upper arm M61.53 - Other ossification of muscle, forearm M61.531 - Other ossification of muscle, right forearm M61.532 - Other ossification of muscle, left forearm M61.539 - Other ossification of muscle, unspecified forearm M61.54 - Other ossification of muscle, hand M61.541 - Other ossification of muscle, right hand M61.542 - Other ossification of muscle, left hand M61.549 - Other ossification of muscle, unspecified hand M61.55 - Other ossification of muscle, thigh M61.551 - Other ossification of muscle, right thigh M61.552 - Other ossification of muscle, left thigh M61.559 - Other ossification of muscle, unspecified thigh M61.56 - Other ossification of muscle, lower leg M61.561 - Other ossification of muscle, right lower leg M61.562 - Other ossification of muscle, left lower leg M61.569 - Other ossification of muscle, unspecified lower leg M61.57 - Other ossification of muscle, ankle and foot M61.571 - Other ossification of muscle, right ankle and foot M61.572 - Other ossification of muscle, left ankle and foot M61.579 - Other ossification of muscle, unspecified ankle and foot M61.58 - Other ossification of muscle, other site M61.59 - Other ossification of muscle, multiple sites M61.9 - Calcification and ossification of muscle, unspecified

About ICD-10-CM Code M61 (Calcification and ossification of muscle)

ICD-10-CM code M61 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M61 became effective on October 1, 2024.

This page provides detailed information about M61 - Calcification and ossification of muscle. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Calcification and ossification of muscle.