ICD-10-CM Codes
M00-M99 Diseases of the musculoskeletal system and connective tissue
M05-M1A Inflammatory polyarthropathies
M1A- Chronic gout

2020 ICD-10-CM Diagnosis Code M1A

Chronic gout

2016

2017

2018

2019

2020

Non-Billable/Non-Specific Code

M1A should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2020 edition of ICD-10-CM M1A became effective on October 1, 2019.
This is the American ICD-10-CM version of M1A - other international versions of ICD-10 M1A may differ.

Use Additional

Use Additional Help

Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.

code to identify:
Autonomic neuropathy in diseases classified elsewhere (
ICD-10-CM Diagnosis Code G99.0
Autonomic neuropathy in diseases classified elsewhere
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- gout (M1A.-, M10.-)
- hyperthyroidism (E05.-)
Type 1 Excludes
- diabetic autonomic neuropathy (E08-E13 with .43)
G99.0
)
Calculus of urinary tract in diseases classified elsewhere (
ICD-10-CM Diagnosis Code N22
Calculus of urinary tract in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
- schistosomiasis (B65.0-B65.9)
N22
)
Cardiomyopathy in diseases classified elsewhere (
ICD-10-CM Diagnosis Code I43
Cardiomyopathy in diseases classified elsewhere
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- glycogen storage disease (E74.0)
- gout (M10.0-)
- thyrotoxicosis (E05.0-E05.9-)
Type 1 Excludes
- cardiomyopathy (in):
- coxsackie (virus) (B33.24)
- diphtheria (A36.81)
- sarcoidosis (D86.85)
- tuberculosis (A18.84)
I43
)
Disorders of external ear in diseases classified elsewhere (
ICD-10-CM Diagnosis Code H61.1
Noninfective disorders of pinna
Type 2 Excludes
- cauliflower ear (M95.1-)
- gouty tophi of ear (M1A.-)
H61.1-
,
ICD-10-CM Diagnosis Code H62.8
Other disorders of external ear in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
H62.8-
)
Disorders of iris and ciliary body in diseases classified elsewhere (
ICD-10-CM Diagnosis Code H22
Disorders of iris and ciliary body in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
- leprosy (A30.-)
- parasitic disease (B89)
H22
)
Glomerular disorders in diseases classified elsewhere (
ICD-10-CM Diagnosis Code N08
Glomerular disorders in diseases classified elsewhere
Applicable To
- Glomerulonephritis
- Nephritis
- Nephropathy
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- congenital syphilis (A50.5)
- cryoglobulinemia (D89.1)
- disseminated intravascular coagulation (D65)
- gout (M1A.-, M10.-)
- microscopic polyangiitis (M31.7)
- multiple myeloma (C90.0-)
- sepsis (A40.0-A41.9)
- sickle-cell disease (D57.0-D57.8)
Type 1 Excludes
- glomerulonephritis, nephritis and nephropathy (in):
- antiglomerular basement membrane disease (M31.0)
- diabetes (E08-E13 with .21)
- gonococcal (A54.21)
- Goodpasture's syndrome (M31.0)
- hemolytic-uremic syndrome (D59.3)
- lupus (M32.14)
- mumps (B26.83)
- syphilis (A52.75)
- systemic lupus erythematosus (M32.14)
- Wegener's granulomatosis (M31.31)
- pyelonephritis in diseases classified elsewhere (N16)
- renal tubulo-interstitial disorders classified elsewhere (N16)
N08
)

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M1A. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

gout NOS (
ICD-10-CM Diagnosis Code M10
- M10 Gout
  - M10.0 Idiopathic gout
    - M10.00 …… unspecified site
    - M10.01 Idiopathic gout, shoulder
      M10.011 Idiopathic gout, right shoulder
      M10.012 Idiopathic gout, left shoulder
      M10.019 Idiopathic gout, unspecified shoulder
    - M10.02 Idiopathic gout, elbow
      M10.021 Idiopathic gout, right elbow
      M10.022 Idiopathic gout, left elbow
      M10.029 Idiopathic gout, unspecified elbow
    - M10.03 Idiopathic gout, wrist
      M10.031 Idiopathic gout, right wrist
      M10.032 Idiopathic gout, left wrist
      M10.039 Idiopathic gout, unspecified wrist
    - M10.04 Idiopathic gout, hand
      M10.041 Idiopathic gout, right hand
      M10.042 Idiopathic gout, left hand
      M10.049 Idiopathic gout, unspecified hand
    - M10.05 Idiopathic gout, hip
      M10.051 Idiopathic gout, right hip
      M10.052 Idiopathic gout, left hip
      M10.059 Idiopathic gout, unspecified hip
    - M10.06 Idiopathic gout, knee
      M10.061 Idiopathic gout, right knee
      M10.062 Idiopathic gout, left knee
      M10.069 Idiopathic gout, unspecified knee
    - M10.07 Idiopathic gout, ankle and foot
      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 …… vertebrae
    - M10.09 …… multiple sites
  - M10.1 Lead-induced gout
    - M10.10 …… unspecified site
    - M10.11 Lead-induced gout, shoulder
      M10.111 Lead-induced gout, right shoulder
      M10.112 Lead-induced gout, left shoulder
      M10.119 Lead-induced gout, unspecified shoulder
    - M10.12 Lead-induced gout, elbow
      M10.121 Lead-induced gout, right elbow
      M10.122 Lead-induced gout, left elbow
      M10.129 Lead-induced gout, unspecified elbow
    - M10.13 Lead-induced gout, wrist
      M10.131 Lead-induced gout, right wrist
      M10.132 Lead-induced gout, left wrist
      M10.139 Lead-induced gout, unspecified wrist
    - M10.14 Lead-induced gout, hand
      M10.141 Lead-induced gout, right hand
      M10.142 Lead-induced gout, left hand
      M10.149 Lead-induced gout, unspecified hand
    - M10.15 Lead-induced gout, hip
      M10.151 Lead-induced gout, right hip
      M10.152 Lead-induced gout, left hip
      M10.159 Lead-induced gout, unspecified hip
    - M10.16 Lead-induced gout, knee
      M10.161 Lead-induced gout, right knee
      M10.162 Lead-induced gout, left knee
      M10.169 Lead-induced gout, unspecified knee
    - M10.17 Lead-induced gout, ankle and foot
      M10.171 Lead-induced gout, right ankle and foot
      M10.172 Lead-induced gout, left ankle and foot
      M10.179 Lead-induced gout, unspecified ankle and foot...
    - M10.18 …… vertebrae
    - M10.19 …… multiple sites
  - M10.2 Drug-induced gout
    - M10.20 …… unspecified site
    - M10.21 Drug-induced gout, shoulder
      M10.211 Drug-induced gout, right shoulder
      M10.212 Drug-induced gout, left shoulder
      M10.219 Drug-induced gout, unspecified shoulder
    - M10.22 Drug-induced gout, elbow
      M10.221 Drug-induced gout, right elbow
      M10.222 Drug-induced gout, left elbow
      M10.229 Drug-induced gout, unspecified elbow
    - M10.23 Drug-induced gout, wrist
      M10.231 Drug-induced gout, right wrist
      M10.232 Drug-induced gout, left wrist
      M10.239 Drug-induced gout, unspecified wrist
    - M10.24 Drug-induced gout, hand
      M10.241 Drug-induced gout, right hand
      M10.242 Drug-induced gout, left hand
      M10.249 Drug-induced gout, unspecified hand
    - M10.25 Drug-induced gout, hip
      M10.251 Drug-induced gout, right hip
      M10.252 Drug-induced gout, left hip
      M10.259 Drug-induced gout, unspecified hip
    - M10.26 Drug-induced gout, knee
      M10.261 Drug-induced gout, right knee
      M10.262 Drug-induced gout, left knee
      M10.269 Drug-induced gout, unspecified knee
    - M10.27 Drug-induced gout, ankle and foot
      M10.271 Drug-induced gout, right ankle and foot
      M10.272 Drug-induced gout, left ankle and foot
      M10.279 Drug-induced gout, unspecified ankle and foot...
    - M10.28 …… vertebrae
    - M10.29 …… multiple sites
  - M10.3 Gout due to renal impairment
    - M10.30 Gout due to renal impairment, unspecified sit...
    - M10.31 Gout due to renal impairment, shoulder
      M10.311 Gout due to renal impairment, right shoulder
      M10.312 Gout due to renal impairment, left shoulder
      M10.319 Gout due to renal impairment, unspecified sho...
    - M10.32 Gout due to renal impairment, elbow
      M10.321 Gout due to renal impairment, right elbow
      M10.322 Gout due to renal impairment, left elbow
      M10.329 Gout due to renal impairment, unspecified elb...
    - M10.33 Gout due to renal impairment, wrist
      M10.331 Gout due to renal impairment, right wrist
      M10.332 Gout due to renal impairment, left wrist
      M10.339 Gout due to renal impairment, unspecified wri...
    - M10.34 Gout due to renal impairment, hand
      M10.341 Gout due to renal impairment, right hand
      M10.342 Gout due to renal impairment, left hand
      M10.349 Gout due to renal impairment, unspecified han...
    - M10.35 Gout due to renal impairment, hip
      M10.351 Gout due to renal impairment, right hip
      M10.352 Gout due to renal impairment, left hip
      M10.359 Gout due to renal impairment, unspecified hip...
    - M10.36 Gout due to renal impairment, knee
      M10.361 Gout due to renal impairment, right knee
      M10.362 Gout due to renal impairment, left knee
      M10.369 Gout due to renal impairment, unspecified kne...
    - M10.37 Gout due to renal impairment, ankle and foot
      M10.371 Gout due to renal impairment, right ankle and...
      M10.372 Gout due to renal impairment, left ankle and ...
      M10.379 Gout due to renal impairment, unspecified ank...
    - M10.38 …… vertebrae
    - M10.39 …… multiple sites
  - M10.4 Other secondary gout
    - M10.40 …… unspecified site
    - M10.41 Other secondary gout, shoulder
      M10.411 Other secondary gout, right shoulder
      M10.412 Other secondary gout, left shoulder
      M10.419 Other secondary gout, unspecified shoulder
    - M10.42 Other secondary gout, elbow
      M10.421 Other secondary gout, right elbow
      M10.422 Other secondary gout, left elbow
      M10.429 Other secondary gout, unspecified elbow
    - M10.43 Other secondary gout, wrist
      M10.431 Other secondary gout, right wrist
      M10.432 Other secondary gout, left wrist
      M10.439 Other secondary gout, unspecified wrist
    - M10.44 Other secondary gout, hand
      M10.441 Other secondary gout, right hand
      M10.442 Other secondary gout, left hand
      M10.449 Other secondary gout, unspecified hand
    - M10.45 Other secondary gout, hip
      M10.451 Other secondary gout, right hip
      M10.452 Other secondary gout, left hip
      M10.459 Other secondary gout, unspecified hip
    - M10.46 Other secondary gout, knee
      M10.461 Other secondary gout, right knee
      M10.462 Other secondary gout, left knee
      M10.469 Other secondary gout, unspecified knee
    - M10.47 Other secondary gout, ankle and foot
      M10.471 Other secondary gout, right ankle and foot
      M10.472 Other secondary gout, left ankle and foot
      M10.479 Other secondary gout, unspecified ankle and f...
    - M10.48 …… vertebrae
    - M10.49 …… multiple sites
  - M10.9 Gout, unspecified
M10.-
)

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (M1A) and the excluded code together.

acute gout (
ICD-10-CM Diagnosis Code M10
- M10 Gout
  - M10.0 Idiopathic gout
    - M10.00 …… unspecified site
    - M10.01 Idiopathic gout, shoulder
      M10.011 Idiopathic gout, right shoulder
      M10.012 Idiopathic gout, left shoulder
      M10.019 Idiopathic gout, unspecified shoulder
    - M10.02 Idiopathic gout, elbow
      M10.021 Idiopathic gout, right elbow
      M10.022 Idiopathic gout, left elbow
      M10.029 Idiopathic gout, unspecified elbow
    - M10.03 Idiopathic gout, wrist
      M10.031 Idiopathic gout, right wrist
      M10.032 Idiopathic gout, left wrist
      M10.039 Idiopathic gout, unspecified wrist
    - M10.04 Idiopathic gout, hand
      M10.041 Idiopathic gout, right hand
      M10.042 Idiopathic gout, left hand
      M10.049 Idiopathic gout, unspecified hand
    - M10.05 Idiopathic gout, hip
      M10.051 Idiopathic gout, right hip
      M10.052 Idiopathic gout, left hip
      M10.059 Idiopathic gout, unspecified hip
    - M10.06 Idiopathic gout, knee
      M10.061 Idiopathic gout, right knee
      M10.062 Idiopathic gout, left knee
      M10.069 Idiopathic gout, unspecified knee
    - M10.07 Idiopathic gout, ankle and foot
      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 …… vertebrae
    - M10.09 …… multiple sites
  - M10.1 Lead-induced gout
    - M10.10 …… unspecified site
    - M10.11 Lead-induced gout, shoulder
      M10.111 Lead-induced gout, right shoulder
      M10.112 Lead-induced gout, left shoulder
      M10.119 Lead-induced gout, unspecified shoulder
    - M10.12 Lead-induced gout, elbow
      M10.121 Lead-induced gout, right elbow
      M10.122 Lead-induced gout, left elbow
      M10.129 Lead-induced gout, unspecified elbow
    - M10.13 Lead-induced gout, wrist
      M10.131 Lead-induced gout, right wrist
      M10.132 Lead-induced gout, left wrist
      M10.139 Lead-induced gout, unspecified wrist
    - M10.14 Lead-induced gout, hand
      M10.141 Lead-induced gout, right hand
      M10.142 Lead-induced gout, left hand
      M10.149 Lead-induced gout, unspecified hand
    - M10.15 Lead-induced gout, hip
      M10.151 Lead-induced gout, right hip
      M10.152 Lead-induced gout, left hip
      M10.159 Lead-induced gout, unspecified hip
    - M10.16 Lead-induced gout, knee
      M10.161 Lead-induced gout, right knee
      M10.162 Lead-induced gout, left knee
      M10.169 Lead-induced gout, unspecified knee
    - M10.17 Lead-induced gout, ankle and foot
      M10.171 Lead-induced gout, right ankle and foot
      M10.172 Lead-induced gout, left ankle and foot
      M10.179 Lead-induced gout, unspecified ankle and foot...
    - M10.18 …… vertebrae
    - M10.19 …… multiple sites
  - M10.2 Drug-induced gout
    - M10.20 …… unspecified site
    - M10.21 Drug-induced gout, shoulder
      M10.211 Drug-induced gout, right shoulder
      M10.212 Drug-induced gout, left shoulder
      M10.219 Drug-induced gout, unspecified shoulder
    - M10.22 Drug-induced gout, elbow
      M10.221 Drug-induced gout, right elbow
      M10.222 Drug-induced gout, left elbow
      M10.229 Drug-induced gout, unspecified elbow
    - M10.23 Drug-induced gout, wrist
      M10.231 Drug-induced gout, right wrist
      M10.232 Drug-induced gout, left wrist
      M10.239 Drug-induced gout, unspecified wrist
    - M10.24 Drug-induced gout, hand
      M10.241 Drug-induced gout, right hand
      M10.242 Drug-induced gout, left hand
      M10.249 Drug-induced gout, unspecified hand
    - M10.25 Drug-induced gout, hip
      M10.251 Drug-induced gout, right hip
      M10.252 Drug-induced gout, left hip
      M10.259 Drug-induced gout, unspecified hip
    - M10.26 Drug-induced gout, knee
      M10.261 Drug-induced gout, right knee
      M10.262 Drug-induced gout, left knee
      M10.269 Drug-induced gout, unspecified knee
    - M10.27 Drug-induced gout, ankle and foot
      M10.271 Drug-induced gout, right ankle and foot
      M10.272 Drug-induced gout, left ankle and foot
      M10.279 Drug-induced gout, unspecified ankle and foot...
    - M10.28 …… vertebrae
    - M10.29 …… multiple sites
  - M10.3 Gout due to renal impairment
    - M10.30 Gout due to renal impairment, unspecified sit...
    - M10.31 Gout due to renal impairment, shoulder
      M10.311 Gout due to renal impairment, right shoulder
      M10.312 Gout due to renal impairment, left shoulder
      M10.319 Gout due to renal impairment, unspecified sho...
    - M10.32 Gout due to renal impairment, elbow
      M10.321 Gout due to renal impairment, right elbow
      M10.322 Gout due to renal impairment, left elbow
      M10.329 Gout due to renal impairment, unspecified elb...
    - M10.33 Gout due to renal impairment, wrist
      M10.331 Gout due to renal impairment, right wrist
      M10.332 Gout due to renal impairment, left wrist
      M10.339 Gout due to renal impairment, unspecified wri...
    - M10.34 Gout due to renal impairment, hand
      M10.341 Gout due to renal impairment, right hand
      M10.342 Gout due to renal impairment, left hand
      M10.349 Gout due to renal impairment, unspecified han...
    - M10.35 Gout due to renal impairment, hip
      M10.351 Gout due to renal impairment, right hip
      M10.352 Gout due to renal impairment, left hip
      M10.359 Gout due to renal impairment, unspecified hip...
    - M10.36 Gout due to renal impairment, knee
      M10.361 Gout due to renal impairment, right knee
      M10.362 Gout due to renal impairment, left knee
      M10.369 Gout due to renal impairment, unspecified kne...
    - M10.37 Gout due to renal impairment, ankle and foot
      M10.371 Gout due to renal impairment, right ankle and...
      M10.372 Gout due to renal impairment, left ankle and ...
      M10.379 Gout due to renal impairment, unspecified ank...
    - M10.38 …… vertebrae
    - M10.39 …… multiple sites
  - M10.4 Other secondary gout
    - M10.40 …… unspecified site
    - M10.41 Other secondary gout, shoulder
      M10.411 Other secondary gout, right shoulder
      M10.412 Other secondary gout, left shoulder
      M10.419 Other secondary gout, unspecified shoulder
    - M10.42 Other secondary gout, elbow
      M10.421 Other secondary gout, right elbow
      M10.422 Other secondary gout, left elbow
      M10.429 Other secondary gout, unspecified elbow
    - M10.43 Other secondary gout, wrist
      M10.431 Other secondary gout, right wrist
      M10.432 Other secondary gout, left wrist
      M10.439 Other secondary gout, unspecified wrist
    - M10.44 Other secondary gout, hand
      M10.441 Other secondary gout, right hand
      M10.442 Other secondary gout, left hand
      M10.449 Other secondary gout, unspecified hand
    - M10.45 Other secondary gout, hip
      M10.451 Other secondary gout, right hip
      M10.452 Other secondary gout, left hip
      M10.459 Other secondary gout, unspecified hip
    - M10.46 Other secondary gout, knee
      M10.461 Other secondary gout, right knee
      M10.462 Other secondary gout, left knee
      M10.469 Other secondary gout, unspecified knee
    - M10.47 Other secondary gout, ankle and foot
      M10.471 Other secondary gout, right ankle and foot
      M10.472 Other secondary gout, left ankle and foot
      M10.479 Other secondary gout, unspecified ankle and f...
    - M10.48 …… vertebrae
    - M10.49 …… multiple sites
  - M10.9 Gout, unspecified
M10.-
)

The following code(s) above M1A contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to M1A:

M00-M99
2020 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissue
Note
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes
- 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)
Diseases of the musculoskeletal system and connective tissue

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change

Code annotations containing back-references to M1A:

Code First: N08
, N22
, G99.0
, H22
, H62.8

ICD-10-CM Diagnosis Code N08
Glomerular disorders in diseases classified elsewhere
Applicable To
- Glomerulonephritis
- Nephritis
- Nephropathy
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- congenital syphilis (A50.5)
- cryoglobulinemia (D89.1)
- disseminated intravascular coagulation (D65)
- gout (M1A.-, M10.-)
- microscopic polyangiitis (M31.7)
- multiple myeloma (C90.0-)
- sepsis (A40.0-A41.9)
- sickle-cell disease (D57.0-D57.8)
Type 1 Excludes
- glomerulonephritis, nephritis and nephropathy (in):
- antiglomerular basement membrane disease (M31.0)
- diabetes (E08-E13 with .21)
- gonococcal (A54.21)
- Goodpasture's syndrome (M31.0)
- hemolytic-uremic syndrome (D59.3)
- lupus (M32.14)
- mumps (B26.83)
- syphilis (A52.75)
- systemic lupus erythematosus (M32.14)
- Wegener's granulomatosis (M31.31)
- pyelonephritis in diseases classified elsewhere (N16)
- renal tubulo-interstitial disorders classified elsewhere (N16)
ICD-10-CM Diagnosis Code N22
Calculus of urinary tract in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
- schistosomiasis (B65.0-B65.9)
ICD-10-CM Diagnosis Code G99.0
Autonomic neuropathy in diseases classified elsewhere
Code First
- underlying disease, such as:
- amyloidosis (E85.-)
- gout (M1A.-, M10.-)
- hyperthyroidism (E05.-)
Type 1 Excludes
- diabetic autonomic neuropathy (E08-E13 with .43)
ICD-10-CM Diagnosis Code H22
Disorders of iris and ciliary body in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
- leprosy (A30.-)
- parasitic disease (B89)
ICD-10-CM Diagnosis Code H62.8
Other disorders of external ear in diseases classified elsewhere
Code First
- underlying disease, such as:
- gout (M1A.-, M10.-)
Type 1 Excludes: E72
, E79

ICD-10-CM Diagnosis Code E72
Other disorders of amino-acid metabolism
Type 1 Excludes
- disorders of:
- aromatic amino-acid metabolism (E70.-)
- branched-chain amino-acid metabolism (E71.0-E71.2)
- fatty-acid metabolism (E71.3)
- purine and pyrimidine metabolism (E79.-)
- gout (M1A.-, M10.-)
ICD-10-CM Diagnosis Code E79
Disorders of purine and pyrimidine metabolism
Type 1 Excludes
- Ataxia-telangiectasia (Q87.19)
- Bloom's syndrome (Q82.8)
- Cockayne's syndrome (Q87.19)
- calculus of kidney (N20.0)
- combined immunodeficiency disorders (D81.-)
- Fanconi's anemia (D61.09)
- gout (M1A.-, M10.-)
- orotaciduric anemia (D53.0)
- progeria (E34.8)
- Werner's syndrome (E34.8)
- xeroderma pigmentosum (Q82.1)
Type 2 Excludes: H61.1
, M10

ICD-10-CM Diagnosis Code H61.1
Noninfective disorders of pinna
Type 2 Excludes
- cauliflower ear (M95.1-)
- gouty tophi of ear (M1A.-)
ICD-10-CM Diagnosis Code M10
Gout
Applicable To
- Acute gout
- Gout attack
- Gout flare
- Podagra
Type 2 Excludes
- chronic gout (M1A.-)
Use Additional
- code to identify:
- Autonomic neuropathy in diseases classified elsewhere (G99.0)
- Calculus of urinary tract in diseases classified elsewhere (N22)
- Cardiomyopathy in diseases classified elsewhere (I43)
- Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-)
- Disorders of iris and ciliary body in diseases classified elsewhere (H22)
- Glomerular disorders in diseases classified elsewhere (N08)

ICD-10-CM Codes Adjacent To M1A

M08.96 Juvenile arthritis, unspecified, knee

M08.961 Juvenile arthritis, unspecified, right knee

M08.962 Juvenile arthritis, unspecified, left knee

M08.969 Juvenile arthritis, unspecified, unspecified knee

M08.97 Juvenile arthritis, unspecified, ankle and foot

M08.971 Juvenile arthritis, unspecified, right ankle and foot

M08.972 Juvenile arthritis, unspecified, left ankle and foot

M08.979 Juvenile arthritis, unspecified, unspecified ankle and foot

M08.98 …… vertebrae

M08.99 …… multiple sites

M1A Chronic gout

M1A.0 Idiopathic chronic gout

M1A.00 Idiopathic chronic gout, unspecified site

M1A.00X0 …… without tophus (tophi)

M1A.00X1 …… with tophus (tophi)

M1A.01 Idiopathic chronic gout, shoulder

M1A.011 Idiopathic chronic gout, right shoulder

M1A.0110 …… without tophus (tophi)

M1A.0111 …… with tophus (tophi)

M1A.012 Idiopathic chronic gout, left shoulder

M1A.0120 …… without tophus (tophi)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2020 ICD-10-CM Diagnosis Code M1A

Chronic gout

Autonomic neuropathy in diseases classified elsewhere

Calculus of urinary tract in diseases classified elsewhere

Cardiomyopathy in diseases classified elsewhere

Noninfective disorders of pinna

Other disorders of external ear in diseases classified elsewhere

Disorders of iris and ciliary body in diseases classified elsewhere

Glomerular disorders in diseases classified elsewhere

Diseases of the musculoskeletal system and connective tissue

Glomerular disorders in diseases classified elsewhere

Calculus of urinary tract in diseases classified elsewhere

Autonomic neuropathy in diseases classified elsewhere

Disorders of iris and ciliary body in diseases classified elsewhere

Other disorders of external ear in diseases classified elsewhere

Other disorders of amino-acid metabolism

Disorders of purine and pyrimidine metabolism

Noninfective disorders of pinna

Gout