Rheumatology

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Rheumatology

Diagnoses

ICD-9 to ICD-10 Crosswalk

The codes in these crosswalks were selected based on the most commonly used ICD-9 codes according to historical MedStar Health coding data and from professional coding associations, and are ordered by frequency of use. 

Not all the codes you need are contained in this list. For a comprehensive list of ICD-10 codes, use Diagnosis Assistant or the IMO Anywhere tool.

Code Description (ICD-9 codes are in blue)
710.0 Systemic lupus erythematosus
M32.10 Systemic lupus erythematosus, organ or system involvement unspecified
M32.0 Drug-induced systemic lupus erythematosus
M32.11
Endocarditis in systemic lupus erythematosus
M32.12
Pericarditis in systemic lupus erythematosus
M32.8
Other forms of systemic lupus erythematosus
M32.9
Systemic lupus erythematosus, unspecified
714.0 Rheumatoid arthritis
M05.40 Rheumatoid myopathy with rheumatoid arthritis of unspecified site
M05.411
Rheumatoid myopathy with rheumatoid arthritis of right shoulder
M05.412
Rheumatoid myopathy with rheumatoid arthritis of left shoulder
M05.441
Rheumatoid myopathy with rheumatoid arthritis of right hand
M05.442
Rheumatoid myopathy with rheumatoid arthritis of left hand
M05.449
Rheumatoid myopathy with rheumatoid arthritis of unspecified hand
710.1 Systemic sclerosis

Documentation should specify if systemic or progressive systemic sclerosis. Note if induced by drugs or chemicals or if with lung involvement, myopathy, or polyneuropathy.
M34.0 Progressive systemic sclerosis
M34.1
CR(E)ST syndrome
M34.9
Systemic sclerosis, unspecified
M34.83
Systemic sclerosis with polyneuropathy
M34.89
Other systemic sclerosis
790.99 Other abnormal findings on examination of blood
R77.0 Abnormality of albumin
R77.1 Abnormality of globulin
R77.2
Abnormality of alphafetoprotein
R77.8
Other specified abnormalities of plasma proteins
R77.9
Abnormality of plasma protein, unspecified
R78.1
Finding of opiate drug in blood
R78.2
Finding of cocaine in blood
R78.3
Finding of hallucinogen in blood
R78.4
Finding of other drugs of addictive potential in blood
R78.5
Finding of other psychotropic drug in blood
891.1 Open wound of knee, leg (except thigh), and ankle, complicated
S81.041A Puncture wound with foreign body, right knee, initial encounter
S81.042A Puncture wound with foreign body, left knee, initial encounter
S81.049A Puncture wound with foreign body, unspecified knee, initial encounter
S81.821A
Laceration with foreign body, right lower leg, initial encounter
S81.822A
Laceration with foreign body, left lower leg, initial encounter
795.79 Other and unspecified nonspecific immunological findings
R76.0 Raised antibody titer
R76.8 Other specified abnormal immunological findings in serum
R76.9
Abnormal immunological finding in serum, unspecified
707.10 Unspecified ulcer of lower limb
L97.901 Non-pressure chronic ulcer of unspecified part of unspecified lower leg limited to breakdown of skin
L97.902 Non-pressure chronic ulcer of unspecified part of unspecified lower leg with fat layer exposed
L97.903
Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle
L97.904
Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone
L97.911
Non-pressure chronic ulcer of unspecified part of right lower leg limited to breakdown of skin
L97.912
Non-pressure chronic ulcer of unspecified part of right lower leg with fat layer exposed
L97.913
Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
L97.914
Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of bone
L97.919
Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
L97.921
Non-pressure chronic ulcer of unspecified part of right lower leg limited to breakdown of skin
L97.922
Non-pressure chronic ulcer of unspecified part of right lower leg with fat layer exposed
L97.923
Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
L97.924
Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of bone
L97.929
Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
446.4 Wegener's granulomatosis
M31.30 Wegener's granulomatosis without renal involvement
M30.1 Polyarteritis with lung involvement [Churg-Strauss]
M31.31
Wegener's granulomatosis with renal involvement
696.0 Psoriatic arthropathy
L40.54
Psoriatic juvenile arthropathy
L40.59
Other psoriatic arthropathy
L40.50
Arthropathic psoriasis, unspecified
L40.51
Distal interphalangeal psoriatic arthropathy
L40.52
Psoriatic arthritis mutilans
L40.53
Psoriatic spondylitis
710.2 Sicca syndrome
M35.01 Sicca syndrome with keratoconjunctivitis
M35.02 Sicca syndrome with lung involvement
M35.03
Sicca syndrome with myopathy
M35.04
Sicca syndrome with tubulo-interstitial nephropathy
M35.09
Sicca syndrome with other organ involvement
M35.00
Sicca syndrome, unspecified
710.3 Dermatomyositis
M33.90 Dermatopolymyositis, unspecified, organ involvement unspecified
M33.00 Juvenile dermatopolymyositis, organ involvement unspecified
M33.10
Other dermatopolymyositis, organ involvement unspecified
M33.91
Dermatopolymyositis, unspecified with respiratory involvement
M33.92
Dermatopolymyositis, unspecified with myopathy
M36.0
Dermato(poly)myositis in neoplastic disease
719.40 Pain in joint site unspecified
M25.519 Pain in unspecified shoulder
M25.511
Pain in right shoulder
M25.512
Pain in left shoulder
M25.521
Pain in right elbow
M25.522
Pain in left elbow
M25.571
Pain in right ankle and joints of right foot
M25.572
Pain in left ankle and joints of left foot
715.90 Osteoarthritis, unspecified
M15.0
Primary generalized (osteo)arthritis
M15.1
Heberden's nodes (with arthropathy)
M15.2
Bouchard's nodes (with arthropathy)
M15.3
Secondary multiple arthritis
M15.4
Erosive (osteo)arthritis
M15.8
Other polyosteoarthritis
729.1 Myalgia and myositis, unspecified
M79.1 Myalgia
M79.7 Fibromyalgia
M60.831
Other myositis, right forearm
M60.832
Other myositis, left forearm
M60.841
Other myositis, right hand
M60.842
Other myositis, left hand
M60.871
Other myositis, right ankle and foot
M60.872
Other myositis, left ankle and foot
719.46 Pain in joint involving lower leg
M25.569 Pain in unspecified knee
M25.561 Pain in right knee
M25.562
Pain in left knee
135 Sarcoidosis
D86.9 Sarcoidosis, unspecified
D86.0 Sarcoidosis of lung
D86.1
Sarcoidosis of lymph nodes
D86.85
Sarcoid myocarditis
D86.86
Sarcoid arthropathy
D86.87
Sarcoid myositis
D86.89
Sarcoidosis of other sites
710.9 Unspecified diffuse connective tissue disease

it is important to note the type of diffuse connective tissue disease, the site, and laterality if applicable. There are hundreds of possible diffuse connective tissues of which diseases can occur.
M35.9 Systemic involvement of connective tissue, unspecified
M36.8 Systemic disorders of connective tissue in other diseases classified elsewhere
705.83 Hidradenitis
L73.2 Hidradenitis
447.6 Arteritis unspecified
I77.6 Arteritis unspecified
719.49 Pain in joint involving multiple sites

It will be important to list the exact site of pain in ICD-10. Note laterality. 
M25.519 Pain in unspecified shoulder
M25.511
Pain in right shoulder
M25.512
Pain in left shoulder
M25.521
Pain in right elbow
M25.522
Pain in left elbow
M25.571
Pain in right ankle and joints of right foot
M25.572
Pain in left ankle and joints of left foot
714.32 Pauciarticular juvenile rheumatoid arthritis
M08.431 Pauciarticular juvenile rheumatoid arthritis, right wrist
M08.432 Pauciarticular juvenile rheumatoid arthritis, left wrist
M08.439 Pauciarticular juvenile rheumatoid arthritis, unspecified wrist
M08.441
Pauciarticular juvenile rheumatoid arthritis, right hand
M08.442
Pauciarticular juvenile rheumatoid arthritis, left hand
M08.449
Pauciarticular juvenile rheumatoid arthritis, unspecified hand
M08.451
Pauciarticular juvenile rheumatoid arthritis, right hip
M08.452
Pauciarticular juvenile rheumatoid arthritis, left hip
M08.459
Pauciarticular juvenile rheumatoid arthritis, unspecified hip
M08.461
Pauciarticular juvenile rheumatoid arthritis, right knee
M08.462
Pauciarticular juvenile rheumatoid arthritis, left knee
710.4 Polymyositis
M33.20 Polymyositis, organ involvement unspecified
M33.21 Polymyositis with respiratory involvement
M33.22
Polymyositis with myopathy
M33.29
Polymyositis with other organ involvement
274.9 Gout, unspecified
M10.9 Gout, unspecified
V03.82 Need for prophylactic vaccination and inoculation against streptococcus pneumoniae [pneumococcus]
Z23 Encounter for immunization
443.0 Raynaud's syndrome
I73.01 Raynaud's syndrome with gangrene
I73.00 Raynaud's syndrome without gangrene
275.49 Other disorders of calcium metabolism
E20.1 Pseudohypoparathyroidism
E83.59 Other disorders of calcium metabolism
686.01 Pyoderma gangrenosum
L88 Pyoderma gangrenosum
716.90 Unspecified arthropathy site unspecified
M12.9 Arthropathy, unspecified
707.13 Ulcer of ankle
L97.309 Non-pressure chronic ulcer of unspecified ankle with unspecified severity
I70.233 Atherosclerosis of native arteries of right leg with ulceration of ankle
I70.243
Atherosclerosis of native arteries of left leg with ulceration of ankle
I70.333
Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of ankle
I70.343
Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankle
I70.433
Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of ankle
I70.443
Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of ankle
I70.533
Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of ankle
I70.543
Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of ankle
I70.633
Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of ankle
I70.643
Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankle
I70.733
Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of ankle
I70.743
Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of ankle
L97.301
Non-pressure chronic ulcer of unspecified ankle limited to breakdown of skin
L97.302
Non-pressure chronic ulcer of unspecified ankle with fat layer exposed
L97.303
Non-pressure chronic ulcer of unspecified ankle with necrosis of muscle
L97.304
Non-pressure chronic ulcer of unspecified ankle with necrosis of bone
L97.311
Non-pressure chronic ulcer of right ankle limited to breakdown of skin
L97.312
Non-pressure chronic ulcer of right ankle with fat layer exposed
L97.313
Non-pressure chronic ulcer of right ankle with necrosis of muscle
L97.314
Non-pressure chronic ulcer of right ankle with necrosis of bone
L97.319
Non-pressure chronic ulcer of right ankle with unspecified severity
L97.321
Non-pressure chronic ulcer of left ankle limited to breakdown of skin
L97.322
Non-pressure chronic ulcer of left ankle with fat layer exposed
L97.323
Non-pressure chronic ulcer of left ankle with necrosis of muscle
L97.324
Non-pressure chronic ulcer of left ankle with necrosis of bone
L97.329
Non-pressure chronic ulcer of left ankle with unspecified severity
782.1 Rash and other nonspecific skin eruption
R21 Rash and other nonspecific skin eruption
V70.0 Routine general medical examination at a health care facility
Z00.00 Encounter for general adult medical examination without abnormal findings
Z00.01 Encounter for general adult medical examination with abnormal findings
715.96 Osteoarthrosis unspecified whether generalized or localized involving lower leg
M17.5
Other unilateral secondary osteoarthritis of knee
M17.4
Other bilateral secondary osteoarthritis of knee
M17.32
Unilateral post-traumatic osteoarthritis, left knee
M17.31
Unilateral post-traumatic osteoarthritis, right knee
M17.30
Unilateral post-traumatic osteoarthritis, unspecified knee
M17.9
Osteoarthritis of knee, unspecified
434.91 Cerebral artery occlusion unspecified with cerebral infarction
I63.511
Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
I63.512
Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery
I63.519
Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery
I63.521
Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
I63.522
Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery
I63.529
Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery
I63.531
Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery
I63.532
Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery
780.60 Fever, unspecified
R50.2 Drug induced Fever, unspecified
R50.9 Fever, unspecified
714.9 Unspecified inflammatory polyarthropathy
M06.4 Inflammatory polyarthropathy
M12.9 In ICD-9 there are site specific codes for arthropathy. ICD-10 has eliminated those codes and now maps all specific sites to (M12.9 -Arthropathy, unspecified)
274.00 Gouty arthropathy, unspecified
M10.021 Idiopathic gout, right elbow
M10.022 Idiopathic gout, left elbow
M10.029
Idiopathic gout, unspecified elbow
M10.031
Idiopathic gout, right wrist
M10.032
Idiopathic gout, left wrist
M10.039
Idiopathic gout, unspecified wrist
M10.041
Idiopathic gout, right hand
M10.042
Idiopathic gout, left hand
M10.049
Idiopathic gout, unspecified hand
M10.051
Idiopathic gout, right hip
M10.052 Idiopathic gout, left hip
M10.059 Idiopathic gout, unspecified hip
M10.061
Idiopathic gout, right knee
M10.062
Idiopathic gout, left knee
M10.069
Idiopathic gout, unspecified knee
M10.071
Idiopathic gout, right ankle and foot
M10.072
Idiopathic gout, left ankle and foot
M10.079
Idiopathic gout, unspecified ankle and foot
M10.08
Idiopathic gout, vertebrae
M10.09
Idiopathic gout, multiple sites
M10.10
Lead-induced gout, unspecified site
M10.139
Lead-induced gout, unspecified wrist
M10.141
Lead-induced gout, right hand
M10.142
Lead-induced gout, left hand
M10.149
Lead-induced gout, unspecified hand
M10.151
Lead-induced gout, right hip
M10.152
Lead-induced gout, left hip
M10.159
Lead-induced gout, unspecified hip
268.9 Unspecified vitamin D deficiency
E55.9 Vitamin D deficiency, unspecified
V58.69 Long term (current) use of other medications
Z79.891 Long term (current) use of opiate analgesic
Z79.899 Other long term (current) drug therapy
Z79.3
Long term (current) use of hormonal contraceptives
070.54 Chronic hepatitis C without hepatic coma
B18.2 Chronic hepatitis C without hepatic coma