Medicare Informatics - Medicare Informatics & Data Analysis in Cloud

Diseases of the musculoskeletal system and connective tissue (M00-M99)

Note:: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes 2:: arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Other soft tissue disorders (M70-M79)

M70

Soft tissue disorders related to use, overuse and pressure [+]

Includes:	soft tissue disorders of occupational origin
Use additional	external cause code to identify activity causing disorder (Y93.-)
Excludes 1:	bursitis NOS (M71.9-)
Excludes 2:	bursitis of shoulder (M75.5) enthesopathies (M76-M77) pressure ulcer (pressure area) (L89.-)

M70.0

Crepitant synovitis (acute) (chronic) of hand and wrist [+]

M70.1

Bursitis of hand [+]

M70.2

Olecranon bursitis [+]

M70.3

Other bursitis of elbow [+]

M70.4

Prepatellar bursitis [+]

M70.5

Other bursitis of knee [+]

M70.6

Trochanteric bursitis [+]
Trochanteric tendinitis

M70.7

Other bursitis of hip [+]
Ischial bursitis

M70.8

Other soft tissue disorders related to use, overuse and pressure [+]

M70.9

Unspecified soft tissue disorder related to use, overuse and pressure [+]

M71

Other bursopathies [+]

Excludes 1:

bunion (M20.1)
bursitis related to use, overuse or pressure (M70.-)
enthesopathies (M76-M77)

M71.0

Abscess of bursa [+]

Use additional

code (B95.-, B96.-) to identify causative organism

M71.00

Abscess of bursa, unspecified site

M71.01

Abscess of bursa, shoulder [+]

M71.02

Abscess of bursa, elbow [+]

M71.03

Abscess of bursa, wrist [+]

M71.04

Abscess of bursa, hand [+]

M71.05

Abscess of bursa, hip [+]

M71.06

Abscess of bursa, knee [+]

M71.07

Abscess of bursa, ankle and foot [+]

M71.08

Abscess of bursa, other site

M71.09

Abscess of bursa, multiple sites

M71.1

Other infective bursitis [+]

Use additional

code (B95.-, B96.-) to identify causative organism

M71.10

Other infective bursitis, unspecified site

M71.11

Other infective bursitis, shoulder [+]

M71.12

Other infective bursitis, elbow [+]

M71.13

Other infective bursitis, wrist [+]

M71.14

Other infective bursitis, hand [+]

M71.15

Other infective bursitis, hip [+]

M71.16

Other infective bursitis, knee [+]

M71.17

Other infective bursitis, ankle and foot [+]

M71.18

Other infective bursitis, other site

M71.19

Other infective bursitis, multiple sites

M71.2

Synovial cyst of popliteal space [Baker] [+]

Excludes 1:

synovial cyst of popliteal space with rupture (M66.0)

M71.3

Other bursal cyst [+]
Synovial cyst NOS

Excludes 1:

synovial cyst with rupture (M66.1-)

M71.30

Other bursal cyst, unspecified site

M71.31

Other bursal cyst, shoulder [+]

M71.32

Other bursal cyst, elbow [+]

M71.33

Other bursal cyst, wrist [+]

M71.34

Other bursal cyst, hand [+]

M71.35

Other bursal cyst, hip [+]

M71.37

Other bursal cyst, ankle and foot [+]

M71.38

Other bursal cyst, other site

M71.39

Other bursal cyst, multiple sites

M71.4

Calcium deposit in bursa [+]

Excludes 2:

calcium deposit in bursa of shoulder (M75.3)

M71.40

Calcium deposit in bursa, unspecified site

M71.42

Calcium deposit in bursa, elbow [+]

M71.43

Calcium deposit in bursa, wrist [+]

M71.44

Calcium deposit in bursa, hand [+]

M71.45

Calcium deposit in bursa, hip [+]

M71.46

Calcium deposit in bursa, knee [+]

M71.47

Calcium deposit in bursa, ankle and foot [+]

M71.48

Calcium deposit in bursa, other site

M71.49

Calcium deposit in bursa, multiple sites

M71.5

Other bursitis, not elsewhere classified [+]

Excludes 1:	bursitis NOS (M71.9-)
Excludes 2:	bursitis of shoulder (M75.5) bursitis of tibial collateral [Pellegrini-Stieda] (M76.4-)

M71.50

Other bursitis, not elsewhere classified, unspecified site

M71.52

Other bursitis, not elsewhere classified, elbow [+]

M71.53

Other bursitis, not elsewhere classified, wrist [+]

M71.54

Other bursitis, not elsewhere classified, hand [+]

M71.55

Other bursitis, not elsewhere classified, hip [+]

M71.56

Other bursitis, not elsewhere classified, knee [+]

M71.57

Other bursitis, not elsewhere classified, ankle and foot [+]

M71.58

Other bursitis, not elsewhere classified, other site

M71.8

Other specified bursopathies [+]

M71.80

Other specified bursopathies, unspecified site

M71.81

Other specified bursopathies, shoulder [+]

M71.82

Other specified bursopathies, elbow [+]

M71.83

Other specified bursopathies, wrist [+]

M71.84

Other specified bursopathies, hand [+]

M71.85

Other specified bursopathies, hip [+]

M71.86

Other specified bursopathies, knee [+]

M71.87

Other specified bursopathies, ankle and foot [+]

M71.88

Other specified bursopathies, other site

M71.89

Other specified bursopathies, multiple sites

M71.9

Bursopathy, unspecified
Bursitis NOS

M72

Fibroblastic disorders [+]

Excludes 2:

retroperitoneal fibromatosis (D48.3)

M75

Shoulder lesions [+]

Excludes 2:

shoulder-hand syndrome (M89.0-)

M75.0

Adhesive capsulitis of shoulder [+]
Frozen shoulder
Periarthritis of shoulder

M75.1

Rotator cuff tear or rupture, not specified as traumatic [+]
Rotator cuff syndrome
Supraspinatus tear or rupture, not specified as traumatic
Supraspinatus syndrome

Excludes 1:

tear of rotator cuff, traumatic (S46.01-)

M75.10

Unspecified rotator cuff tear or rupture, not specified as traumatic [+]

M75.11

Incomplete rotator cuff tear or rupture not specified as traumatic [+]

M75.12

Complete rotator cuff tear or rupture not specified as traumatic [+]

M75.2

Bicipital tendinitis [+]

M75.3

Calcific tendinitis of shoulder [+]
Calcified bursa of shoulder

M75.4

Impingement syndrome of shoulder [+]

M75.5

Bursitis of shoulder [+]

M75.8

Other shoulder lesions [+]

M75.9

Shoulder lesion, unspecified [+]

M76

Enthesopathies, lower limb, excluding foot [+]

Excludes 2:

bursitis due to use, overuse and pressure (M70.-)
enthesopathies of ankle and foot (M77.5-)

M76.0

Gluteal tendinitis [+]

M76.1

Psoas tendinitis [+]

M76.2

Iliac crest spur [+]

M76.3

Iliotibial band syndrome [+]

M76.4

Tibial collateral bursitis [Pellegrini-Stieda] [+]

M76.5

Patellar tendinitis [+]

M76.6

Achilles tendinitis [+]
Achilles bursitis

M76.7

Peroneal tendinitis [+]

M76.8

Other specified enthesopathies of lower limb, excluding foot [+]

M76.81

Anterior tibial syndrome [+]

M76.82

Posterior tibial tendinitis [+]

M76.89

Other specified enthesopathies of lower limb, excluding foot [+]

M76.9

Unspecified enthesopathy, lower limb, excluding foot

M77

Other enthesopathies [+]

Excludes 1:	bursitis NOS (M71.9-)
Excludes 2:	bursitis due to use, overuse and pressure (M70.-) osteophyte (M25.7) spinal enthesopathy (M46.0-)

M77.0

Medial epicondylitis [+]

M77.1

Lateral epicondylitis [+]
Tennis elbow

M77.2

Periarthritis of wrist [+]

M77.3

Calcaneal spur [+]

M77.4

Metatarsalgia [+]

Excludes 1:

Morton's metatarsalgia (G57.6)

M77.5

Other enthesopathy of foot and ankle [+]

M77.8

Other enthesopathies, not elsewhere classified

M77.9

Enthesopathy, unspecified
Bone spur NOS
Capsulitis NOS
Periarthritis NOS
Tendinitis NOS

M79

Other and unspecified soft tissue disorders, not elsewhere classified [+]

Excludes 1:

psychogenic rheumatism (F45.8)
soft tissue pain, psychogenic (F45.41)

M79.0

Rheumatism, unspecified

Excludes 1:

fibromyalgia (M79.7)
palindromic rheumatism (M12.3-)

M79.1

Myalgia [+]
Myofascial pain syndrome

Excludes 1:

fibromyalgia (M79.7)
myositis (M60.-)

M79.2

Neuralgia and neuritis, unspecified

Excludes 1:

brachial radiculitis NOS (M54.1)
lumbosacral radiculitis NOS (M54.1)
mononeuropathies (G56-G58)
radiculitis NOS (M54.1)
sciatica (M54.3-M54.4)

M79.3

Panniculitis, unspecified

Excludes 1:

lupus panniculitis (L93.2)
neck and back panniculitis (M54.0-)
relapsing [Weber-Christian] panniculitis (M35.6)

M79.4

Hypertrophy of (infrapatellar) fat pad

M79.5

Residual foreign body in soft tissue

Excludes 1:

foreign body granuloma of skin and subcutaneous tissue (L92.3)
foreign body granuloma of soft tissue (M60.2-)

M79.6

Pain in limb, hand, foot, fingers and toes [+]

Excludes 2:

pain in joint (M25.5-)

M79.60

Pain in limb, unspecified [+]

M79.62

Pain in upper arm [+]
Pain in axillary region

M79.63

Pain in forearm [+]

M79.64

Pain in hand and fingers [+]

M79.65

Pain in thigh [+]

M79.66

Pain in lower leg [+]

M79.67

Pain in foot and toes [+]

M79.7

Fibromyalgia
Fibromyositis
Fibrositis
Myofibrositis

M79.A

Nontraumatic compartment syndrome [+]

Code first	, if applicable, associated postprocedural complication
Excludes 1:	compartment syndrome NOS (T79.A-) fibromyalgia (M79.7) nontraumatic ischemic infarction of muscle (M62.2-) traumatic compartment syndrome (T79.A-)

M79.A1

Nontraumatic compartment syndrome of upper extremity [+]
Nontraumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers

M79.A2

Nontraumatic compartment syndrome of lower extremity [+]
Nontraumatic compartment syndrome of hip, buttock, thigh, leg, foot, and toes

M79.A3

Nontraumatic compartment syndrome of abdomen

M79.A9

Nontraumatic compartment syndrome of other sites

M79.8

Other specified soft tissue disorders [+]

M79.9

Soft tissue disorder, unspecified